diff --git a/src/SharedEventManager.php b/src/SharedEventManager.php
index 2d1c29a..37378fe 100644
--- a/src/SharedEventManager.php
+++ b/src/SharedEventManager.php
@@ -109,7 +109,7 @@ public function detach($id, CallbackHandler $listener)
     /**
      * Detach a listener aggregate
      *
-     * Listener aggregates accept an SharedEventManagerInterface instance, and call detachShared()
+     * Listener aggregates accept a SharedEventManagerInterface instance, and call detachShared()
      * of all previously attached listeners.
      *
      * @param  SharedListenerAggregateInterface $aggregate
diff --git a/src/SharedListenerAggregateInterface.php b/src/SharedListenerAggregateInterface.php
index 0fd1270..fe45087 100644
--- a/src/SharedListenerAggregateInterface.php
+++ b/src/SharedListenerAggregateInterface.php
@@ -13,7 +13,7 @@
  * Interface for self-registering event listeners.
  *
  * Classes implementing this interface may be registered by name or instance
- * with an SharedEventManager, without an event name. The {@link attach()} method will
+ * with a SharedEventManager, without an event name. The {@link attach()} method will
  * then be called with the current SharedEventManager instance, allowing the class to
  * wire up one or more listeners.
  */