diff --git a/themes/slate-es-de/README.md b/themes/slate-es-de/README.md
index 75199fb5e..bbaa8e32e 100644
--- a/themes/slate-es-de/README.md
+++ b/themes/slate-es-de/README.md
@@ -12,6 +12,11 @@ The following options are included:
 - Dark
 - Light
 
+2 font sizes:
+
+- Medium
+- Large
+
 4 aspect ratios:
 
 - 16:9