Update documentation to reflect the fix from ejabberd's 426fd14b1 commit

Author: badlop

content/admin/configuration/toplevel.md

@@ -166,8 +166,9 @@ certificate requests and renewals are performed to some CA server (aka
 
 *true | false*  
 
-Whether to allow installation of third-party modules or not. The default
-value is *true*.
+Whether to allow installation of third-party modules or not. See
+[ejabberd-contrib](https://docs.ejabberd.im/developer/extending-ejabberd/modules/#ejabberd-contrib)
+documentation section. The default value is *true*.
 
 ## allow\_multiple\_connections
 

content/developer/ejabberd-api/admin-api.md

@@ -1900,7 +1900,7 @@ Get the number of unread offline messages
 __Arguments:__
 
 - *user* :: string
-- *server* :: string
+- *host* :: string
 
 __Result:__
 
@@ -1919,7 +1919,7 @@ __Examples:__
     POST /api/get_offline_count
     {
       "user": "aaaaa",
-      "server": "bbbbb"
+      "host": "bbbbb"
     }
 
     HTTP/1.1 200 OK
@@ -2243,7 +2243,7 @@ Get roster of a local user
 __Arguments:__
 
 - *user* :: string
-- *server* :: string
+- *host* :: string
 
 __Result:__
 
@@ -2262,7 +2262,7 @@ __Examples:__
     POST /api/get_roster
     {
       "user": "aaaaa",
-      "server": "bbbbb"
+      "host": "bbbbb"
     }
 
     HTTP/1.1 200 OK