diff --git a/app/README.md b/app/README.md
index d782c5f..15c1c25 100644
--- a/app/README.md
+++ b/app/README.md
@@ -2,9 +2,9 @@
 
 Please be aware that the JSON file needs to be installed in the:  
 
-.mozilla (Firefox) config directory  
+.mozilla/native-messaging-hosts (Firefox) config directory  
 
-and NOT in the .thunderbird (Thunderbird) config dir.
+and NOT in the .thunderbird/native-messaging-hosts (Thunderbird) config dir.