diff --git a/doc/en/Gtk/TreeSelection.xml b/doc/en/Gtk/TreeSelection.xml
index a877fa2f5..f3107243e 100644
--- a/doc/en/Gtk/TreeSelection.xml
+++ b/doc/en/Gtk/TreeSelection.xml
@@ -383,9 +383,11 @@ class TreeSelectionSample
         <Parameter Name="end_path" Type="Gtk.TreePath" />
       </Parameters>
       <Docs>
-        <summary>To be added</summary>
-        <param name="start_path">a <see cref="T:Gtk.TreePath" /></param>
-        <param name="end_path">a <see cref="T:Gtk.TreePath" /></param>
+        <summary>Unselects everything from one path to another.</summary>
+        <param name="start_path">
+          <see cref="T:Gtk.TreePath" /> to begin range.</param>
+        <param name="end_path">
+          <see cref="T:Gtk.TreePath" /> to end range.</param>
         <remarks>To be added</remarks>
       </Docs>
     </Member>
@@ -397,8 +399,8 @@ class TreeSelectionSample
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added</summary>
-        <returns>a <see cref="T:System.Int32" /></returns>
+        <summary>Get the number of selected rows.</summary>
+        <returns>The number of selected rows</returns>
         <remarks>To be added</remarks>
       </Docs>
     </Member>
@@ -487,11 +489,11 @@ class TreeSelectionSample
         <Parameter Name="model" Type="Gtk.TreeModel&amp;" RefType="out" />
       </Parameters>
       <Docs>
-        <summary>To be added</summary>
-        <param name="model">a <see cref="T:Gtk.TreeModel" /></param>
-        <returns>a <see cref="T:Gtk.TreePath[]" /></returns>
+        <summary>Returns an array of <see cref="T:Gtk.TreePath" />s representing the selected rows.</summary>
+        <param name="model">The model the <see cref="T:Gtk.TreeView" /> is bound to.</param>
+        <returns>Selected rows in an array of <see cref="T:Gtk.TreePath" />s</returns>
         <remarks>To be added</remarks>
       </Docs>
     </Member>
   </Members>
-</Type>
+</Type>
\ No newline at end of file