diff --git a/doc/en/Gtk/NodeStore.xml b/doc/en/Gtk/NodeStore.xml
index c60635998..4a9c47d17 100644
--- a/doc/en/Gtk/NodeStore.xml
+++ b/doc/en/Gtk/NodeStore.xml
@@ -71,7 +71,7 @@
         <Parameter Name="node" Type="Gtk.ITreeNode" />
       </Parameters>
       <Docs>
-        <summary>To be added</summary>
+        <summary>Removes a node from the store.</summary>
         <param name="node">a <see cref="T:Gtk.ITreeNode" /></param>
         <remarks>
           Removes <paramref name="node" /> from the list of root level nodes.