diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1bc75c2..8be11fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
   * <https://prosody.im/doc/ports#ssl_configuration>
 * Add badges to README. Fixes #5.
 * Update README. Add information for certificate permissions.
+* Add link to official documentation on certificate permissions to README. Related to #3
 
 ## v1.0.0
 
diff --git a/readme.md b/readme.md
index 9b1d9ff..59a8541 100644
--- a/readme.md
+++ b/readme.md
@@ -138,7 +138,7 @@ For example ```cp -L src dest```.
 
 ##### Permissions
 
-TODO
+See official [documentation](https://prosody.im/doc/certificates#permissions) for more information.
 
 ### Run