diff --git a/README.md b/README.md
index db61ab65a..90e18b4b2 100644
--- a/README.md
+++ b/README.md
@@ -189,7 +189,7 @@ Some parts and some libraries are Apache License v2, MIT X11 License (see below)
 
 ### Libraries
 
-See https://github.com/open-keychain/open-keychain/blob/development/OpenKeychain/src/main/res/raw/help_about.html
+See https://github.com/open-keychain/open-keychain/blob/development/OpenKeychain/src/main/res/raw/help_about.md
 
 ### Images
 * icon.svg