diff --git a/lib/redmine/hook.rb b/lib/redmine/hook.rb
index 695baf5ec..715cbaf80 100644
--- a/lib/redmine/hook.rb
+++ b/lib/redmine/hook.rb
@@ -30,12 +30,12 @@ module Redmine
         clear_listeners_instances
       end
 
-      # Returns all the listerners instances.
+      # Returns all the listener instances.
       def listeners
         @@listeners ||= @@listener_classes.collect {|listener| listener.instance}
       end
 
-      # Returns the listeners instances for the given hook.
+      # Returns the listener instances for the given hook.
       def hook_listeners(hook)
         @@hook_listeners[hook] ||= listeners.select {|listener| listener.respond_to?(hook)}
       end