diff --git a/doc/api/hooks_server-side.md b/doc/api/hooks_server-side.md
index bb1b53890..62e0e994e 100644
--- a/doc/api/hooks_server-side.md
+++ b/doc/api/hooks_server-side.md
@@ -116,7 +116,7 @@ Things in context:
 1. padID - the pad the user wants to access
 2. password - the password the user has given to access the pad
 3. token - the token of the author
-3. sessionCookie - the session the use has
+4. sessionCookie - the session the use has
 
 This hook gets called when the access to the concrete pad is being checked. Return `false` to deny access.