diff --git a/README.md b/README.md
index 3b18558..046e708 100644
--- a/README.md
+++ b/README.md
@@ -1,25 +1,38 @@
-# GZDoom Flatpak edition #
+# GZDoom Flatpak edition
+
+## Installation of game-data
 
-## Installation of gamedata ##
 * Copy any commercial iwad into the folder `~/.var/app/org.zdoom.GZDoom/.config/gzdoom/`
 * Optionally, configure the `~/.var/app/org.zdoom.GZDoom/.config/gzdoom/gzdoom.ini` file to load other directories
 
 ## Run with custom wads
-Just as with the standalone GZDoom, you can pass commands through using the command line. If you want to play custom wads, you can add them to a sub-directory of `/gzdoom/` and then you can directly access then from the terminal:
+Just as with the stand-alone GZDoom, you can pass commands through using the command line. If you want to play custom wads, you can add them to a sub-directory of `/gzdoom/` and then you can directly access then from the terminal:
+
 ```
 flatpak run org.zdoom.GZDoom -file ~/.var/app/org.zdoom.GZDoom/.config/gzdoom/pwads/PL2.WAD
 ```
+
 ```
 cd ~/.var/app/org.zdoom.GZDoom/.config/gzdoom/pwads/
 flatpak run org.zdoom.GZDoom -file ./PL2.WAD
 ```
 
 For more info, see:
+
 * https://zdoom.org/wiki/Command_line_parameters
 * https://zdoom.org/wiki/Installation_and_execution_of_ZDoom
 
-## Accessing files on unconventional spots ##
-If you want to access wads in different locations, you might have to adjust the [Flatpak sandboxing permissions](http://docs.flatpak.org/en/latest/sandbox-permissions.html). You can easily do that like this:
+## Accessing files
+If you want to access wads in different locations, you might have to adjust the [Flatpak sandboxing permissions](http://docs.flatpak.org/en/latest/sandbox-permissions.html). 
+
+### GUI
+You can use Flatseal to visually manage your permissions:
+https://flathub.org/apps/details/com.github.tchx84.Flatseal
+
+### Terminal
+
+You can easily do that like this:
+
 ```
 flatpak override org.zdoom.GZDoom --filesystem=/OTHER/LOCATION/WITH/WADS --user
 ```
diff --git a/org.zdoom.GZDoom.appdata.xml b/org.zdoom.GZDoom.appdata.xml
index 89b62f0..d46ac74 100644
--- a/org.zdoom.GZDoom.appdata.xml
+++ b/org.zdoom.GZDoom.appdata.xml
@@ -2,151 +2,169 @@
 <!-- Copyright 2019 Kevin Degeling -->
 
 <component type="desktop">
-  <id>org.zdoom.GZDoom</id>
-  <name>GZDoom</name>
-  <summary>Classic first-person-shooter engine for all classical Id games</summary>
-  <metadata_license>CC0-1.0</metadata_license>
-  <project_license>GPL-3.0</project_license>
+    <id>org.zdoom.GZDoom</id>
+    <name>GZDoom</name>
+    <summary>Classic first-person-shooter engine for all classical Id games</summary>
+    <metadata_license>CC0-1.0</metadata_license>
+    <project_license>GPL-3.0</project_license>
 
-  <developer_name>ZDoom team</developer_name>
-  <update_contact>eonfge@kevindegeling.nl</update_contact>
+    <developer_name>ZDoom team</developer_name>
+    <update_contact>eonfge@kevindegeling.nl</update_contact>
 
-  <url type="homepage">https://zdoom.org/index</url>
-  <url type="bugtracker">https://github.com/coelckers/gzdoom</url>
-  <url type="help">https://zdoom.org/wiki/Main_Page</url>
-  <url type="faq">https://zdoom.org/about</url>
-  <url type="contact">https://forum.zdoom.org/</url>
+    <url type="homepage">https://zdoom.org/index</url>
+    <url type="bugtracker">https://github.com/coelckers/gzdoom</url>
+    <url type="help">https://zdoom.org/wiki/Main_Page</url>
+    <url type="faq">https://zdoom.org/about</url>
+    <url type="contact">https://forum.zdoom.org/</url>
 
-  <launchable type="desktop-id">org.zdoom.GZDoom.desktop</launchable>
+    <launchable type="desktop-id">org.zdoom.GZDoom.desktop</launchable>
 
-  <description>
-    <p>
-      GZDoom is a source port for the modern era, supporting current hardware and operating systems and sporting a vast array of user options. Make Doom your own again! 
-    </p>
-    <p>
-      In addition to Doom, GZDoom supports Heretic, Hexen, Strife, Chex Quest, and fan-created games like Harmony and Hacx. Meet the entire idTech 1 family!
-    </p>
-    <p>
-      Experience mind-bending user-created mods, made possible by ZDoom's advanced mapping features and the new ZScript language. Or make a mod of your own! 
-    </p>
-    <ul>    
-      <li>Can play all Doom engine games, including Ultimate Doom, Doom II, Heretic, Hexen, Strife, and more</li>
-      <li>Supports all the editing features of Hexen. (ACS, hubs, new map format, etc.)</li>
-      <li>Supports most of the Boom editing features</li>
-      <li>Features complete translations of Doom, Heretic, Hexen, Strife and other games into over ten different languages with Unicode support for Latin, Cyrillic, and Hangul so far</li>
-      <li>All Doom limits are gone</li>
-      <li>Several softsynths for MUS and MIDI playback, including an OPL softsynth for an authentic “oldschool” flavor</li>
-      <li>High resolutions</li>
-      <li>Quake-style console and key bindings</li>
-      <li>Crosshairs</li>
-      <li>Free look (look up/down)</li>
-      <li>Jumping, crouching, swimming, and flying</li>
-      <li>Up to 8 player network games using UDP/IP, including team-based gameplay</li>
-      <li>Support for the Bloodbath announcer from the classic Monolith game Blood</li>
-      <li>Walk over/under monsters and other things</li>
-    </ul>
-    <p>
-      Commercial data files are required to run the supported games. For more info about all supported games and their data files, see: Help -> List of supported games.
-    </p>
-  </description>
+    <description>
+        <p>
+          GZDoom is a source port for the modern era, supporting current hardware and operating systems and sporting a vast array of user options. Make Doom your own again!
+        </p>
 
-  <screenshots>
-    <screenshot type="default">
-      <image>https://raw.githubusercontent.com/flathub/org.zdoom.GZDoom/master/images/image_01.png</image>
-      <caption>Strife screenshot</caption>
-    </screenshot>
-    <screenshot>
-      <image>https://raw.githubusercontent.com/flathub/org.zdoom.GZDoom/master/images/image_02.png</image>
-      <caption>Doom screenshot</caption>
-    </screenshot>
-    <screenshot>
-      <image>https://raw.githubusercontent.com/flathub/org.zdoom.GZDoom/master/images/image_03.png</image>
-      <caption>Heretic screenshot</caption>
-    </screenshot>
-    <screenshot>
-      <image>https://raw.githubusercontent.com/flathub/org.zdoom.GZDoom/master/images/image_04.png</image>
-      <caption>Hexen screenshot</caption>
-    </screenshot>
-  </screenshots>
+        <p>
+          In addition to Doom, GZDoom supports Heretic, Hexen, Strife, Chex Quest, and fan-created games like Harmony and Hacx. Meet the entire idTech 1 family!
+        </p>
 
-  <releases>
-    <release version="4.6.1" date="2021-07-25">
-      <description>
-        <p>Updated release package to GZDoom 4.6.1</p>
-      </description>
-    </release>
-    <release version="4.6.0" date="2021-05-22">
-      <description>
-        <p>Updated release package to GZDoom 4.6.0</p>
-      </description>
-    </release>
-    <release version="4.5.0" date="2020-10-31">
-      <description>
-        <p>Updated release package to GZDoom 4.5.0</p>
-      </description>
-    </release>
-    <release version="4.4.2" date="2020-06-16">
-      <description>
-        <p>Updated release package to GZDoom 4.4.2</p>
-      </description>
-    </release>
-    <release version="4.4.1" date="2020-06-10">
-      <description>
-        <p>Updated release package to GZDoom 4.4.1</p>
-      </description>
-    </release>
-    <release version="4.4.0" date="2020-06-07">
-      <description>
-        <p>Updated release package to GZDoom 4.4.0</p>
-      </description>
-    </release>
-    <release version="4.3.3" date="2020-01-20">
-      <description>
-        <p>Updated release package to GZDoom 4.3.3</p>
-      </description>
-    </release>
-    <release version="4.3.2" date="2020-01-12">
-      <description>
-        <p>Updated release package to GZDoom 4.3.2</p>
-      </description>
-    </release>
-    <release version="4.3.1" date="2020-01-05">
-      <description>
-        <p>Updated release package to GZDoom 4.3.1 (4.3.0 was cancelled)</p>
-      </description>
-    </release>
-    <release version="4.2.4" date="2019-11-03">
-      <description>
-        <p>Updated release package to GZDoom 4.2.4</p>
-      </description>
-    </release>
-    <release version="4.2.3" date="2019-10-20">
-      <description>
-        <p>Updated release package to GZDoom 4.2.3 (4.2.2 was cancelled)</p>
-      </description>
-    </release>
-    <release version="4.2.1" date="2019-09-11">
-      <description>
-        <p>Updated release package to GZDoom 4.2.1 and made many minor changes for Flathub.</p>
-      </description>
-    </release>
-    <release version="4.2.0" date="2019-09-10">
-      <description>
-        <p>First release of GZDoom on Flatpak.</p>
-      </description>
-    </release>
-  </releases>
+        <p>
+          Experience mind-bending user-created mods, made possible by ZDoom's advanced mapping features and the new ZScript language. Or make a mod of your own!
+        </p>
+
+        <ul>
+            <li>Can play all Doom engine games, including Ultimate Doom, Doom II, Heretic, Hexen, Strife, and more</li>
+            <li>Supports all the editing features of Hexen. (ACS, hubs, new map format, etc.)</li>
+            <li>Supports most of the Boom editing features</li>
+            <li>Features complete translations of Doom, Heretic, Hexen, Strife and other games into over ten different languages with Unicode support for Latin, Cyrillic, and Hangul so far</li>
+            <li>All Doom limits are gone</li>
+            <li>Several softsynths for MUS and MIDI playback, including an OPL softsynth for an authentic “oldschool” flavor</li>
+            <li>High resolutions</li>
+            <li>Quake-style console and key bindings</li>
+            <li>Crosshairs</li>
+            <li>Free look (look up/down)</li>
+            <li>Jumping, crouching, swimming, and flying</li>
+            <li>Up to 8 player network games using UDP/IP, including team-based gameplay</li>
+            <li>Support for the Bloodbath announcer from the classic Monolith game Blood</li>
+            <li>Walk over/under monsters and other things</li>
+        </ul>
+
+        <p>
+          Commercial data files are required to run the supported games. For more info about all supported games and their data files, see: Help -> List of supported games.
+        </p>
+
+        <p>
+          With Flatpak, all file-access is restricted too ~/.var/app/org.zdoom.GZDoom/.config/gzdoom for privacy reasons. You'll have to manually place your IWADs and PWADS there, or you should use an application like Flatseal to give GZDoom additional permissions.
+        </p>
+    </description>
+
+    <screenshots>
+        <screenshot type="default">
+            <image>https://raw.githubusercontent.com/flathub/org.zdoom.GZDoom/master/images/image_01.png</image>
+            <caption>Strife screenshot</caption>
+        </screenshot>
+        <screenshot>
+            <image>https://raw.githubusercontent.com/flathub/org.zdoom.GZDoom/master/images/image_02.png</image>
+            <caption>Doom screenshot</caption>
+        </screenshot>
+        <screenshot>
+            <image>https://raw.githubusercontent.com/flathub/org.zdoom.GZDoom/master/images/image_03.png</image>
+            <caption>Heretic screenshot</caption>
+        </screenshot>
+        <screenshot>
+            <image>https://raw.githubusercontent.com/flathub/org.zdoom.GZDoom/master/images/image_04.png</image>
+            <caption>Hexen screenshot</caption>
+        </screenshot>
+    </screenshots>
+
+    <releases>
+        <release version="4.7.1" date="2021-10-20">
+            <description>
+                <p>Updated release package to GZDoom 4.7.1</p>
+            </description>
+        </release>
+        <release version="4.7.0" date="2021-09-22">
+            <description>
+                <p>Updated release package to GZDoom 4.7.0</p>
+            </description>
+        </release>
+        <release version="4.6.1" date="2021-07-25">
+            <description>
+                <p>Updated release package to GZDoom 4.6.1</p>
+            </description>
+        </release>
+        <release version="4.6.0" date="2021-05-22">
+            <description>
+                <p>Updated release package to GZDoom 4.6.0</p>
+            </description>
+        </release>
+        <release version="4.5.0" date="2020-10-31">
+            <description>
+                <p>Updated release package to GZDoom 4.5.0</p>
+            </description>
+        </release>
+        <release version="4.4.2" date="2020-06-16">
+            <description>
+                <p>Updated release package to GZDoom 4.4.2</p>
+            </description>
+        </release>
+        <release version="4.4.1" date="2020-06-10">
+            <description>
+                <p>Updated release package to GZDoom 4.4.1</p>
+            </description>
+        </release>
+        <release version="4.4.0" date="2020-06-07">
+            <description>
+                <p>Updated release package to GZDoom 4.4.0</p>
+            </description>
+        </release>
+        <release version="4.3.3" date="2020-01-20">
+            <description>
+                <p>Updated release package to GZDoom 4.3.3</p>
+            </description>
+        </release>
+        <release version="4.3.2" date="2020-01-12">
+            <description>
+                <p>Updated release package to GZDoom 4.3.2</p>
+            </description>
+        </release>
+        <release version="4.3.1" date="2020-01-05">
+            <description>
+                <p>Updated release package to GZDoom 4.3.1 (4.3.0 was cancelled)</p>
+            </description>
+        </release>
+        <release version="4.2.4" date="2019-11-03">
+            <description>
+                <p>Updated release package to GZDoom 4.2.4</p>
+            </description>
+        </release>
+        <release version="4.2.3" date="2019-10-20">
+            <description>
+                <p>Updated release package to GZDoom 4.2.3 (4.2.2 was cancelled)</p>
+            </description>
+        </release>
+        <release version="4.2.1" date="2019-09-11">
+            <description>
+                <p>Updated release package to GZDoom 4.2.1 and made many minor changes for Flathub.</p>
+            </description>
+        </release>
+        <release version="4.2.0" date="2019-09-10">
+            <description>
+                <p>First release of GZDoom on Flatpak.</p>
+            </description>
+        </release>
+    </releases>
 
-  <content_rating type="oars-1.1">
     <!--
-	  Violence is tricky: You could argue that by 2019 standards, it's cartoonish.
-	  In this regard I follow PEGI, who rates Doom 1993 with an age rating 16
-	  for "bloody violence in an arcane setting"
+      Violence is tricky: You could argue that by 2019 standards, it's cartoonish.
+      In this regard I follow PEGI, who rates Doom 1993 with an age rating 16
+      for "bloody violence in an arcane setting"
     -->
-    <content_attribute id="violence-realistic">moderate</content_attribute>
-    <content_attribute id="violence-bloodshed">moderate</content_attribute>
-    <content_attribute id="violence-desecration">moderate</content_attribute>
-    <!-- While not a primary focus of GZDoom, is does fully support unmoderated mutiplayer -->
-    <content_attribute id="social-chat">intense</content_attribute>
-  </content_rating>
+    <content_rating type="oars-1.1">
+        <content_attribute id="violence-realistic">moderate</content_attribute>
+        <content_attribute id="violence-bloodshed">moderate</content_attribute>
+        <content_attribute id="violence-desecration">moderate</content_attribute>
+        <!-- While not a primary focus of GZDoom, is does fully support unmoderated mutiplayer -->
+        <content_attribute id="social-chat">intense</content_attribute>
+    </content_rating>
 </component>