diff --git a/src/database/appservice.rs b/src/database/appservice.rs
index caa48ad0..910964a4 100644
--- a/src/database/appservice.rs
+++ b/src/database/appservice.rs
@@ -27,12 +27,14 @@ impl Appservice {
         Ok(())
     }
 
-    /**
-     * Remove an appservice registration
-     * service_name is the name you send to register the service
-     */
+    /// Remove an appservice registration
+    /// 
+    /// # Arguments
+    /// 
+    /// * `service_name` - the name you send to register the service previously
     pub fn unregister_appservice(&self, service_name: &str) -> Result<()> {
-        self.id_appserviceregistrations.remove(service_name.as_bytes())?;
+        self.id_appserviceregistrations
+            .remove(service_name.as_bytes())?;
         Ok(())
     }
 
diff --git a/src/database/rooms.rs b/src/database/rooms.rs
index 612bd51d..775e2f8d 100644
--- a/src/database/rooms.rs
+++ b/src/database/rooms.rs
@@ -1530,10 +1530,14 @@ impl Rooms {
                                 }
                                 "unregister_appservice" => {
                                     if args.len() == 1 {
-                                        db.admin.send(AdminCommand::UnregisterAppservice(args[0].to_owned()));
+                                        db.admin.send(AdminCommand::UnregisterAppservice(
+                                            args[0].to_owned(),
+                                        ));
                                     } else {
                                         db.admin.send(AdminCommand::SendMessage(
-                                            RoomMessageEventContent::text_plain("Missing appservice identifier"),
+                                            RoomMessageEventContent::text_plain(
+                                                "Missing appservice identifier",
+                                            ),
                                         ));
                                     }
                                 }