diff --git a/doc/en/GLib/MountOperationResult.xml b/doc/en/GLib/MountOperationResult.xml
index 49c38d9d7..232d5e588 100644
--- a/doc/en/GLib/MountOperationResult.xml
+++ b/doc/en/GLib/MountOperationResult.xml
@@ -12,7 +12,8 @@
     </Attribute>
   </Attributes>
   <Docs>
-    <summary>To be added.</summary>
+    <summary>
+      <see cref="T:GLib.MountOperationResult" /> is returned as a result when a request for information is send by the mounting operation.</summary>
     <remarks>To be added.</remarks>
     <since version="Gtk# 2.14" />
   </Docs>
@@ -24,7 +25,7 @@
         <ReturnType>GLib.MountOperationResult</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The user requested the mount operation to be aborted.</summary>
         <since version="Gtk# 2.14" />
       </Docs>
     </Member>
@@ -35,7 +36,7 @@
         <ReturnType>GLib.MountOperationResult</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The request was fulfilled and the user specified data is now available.</summary>
         <since version="Gtk# 2.14" />
       </Docs>
     </Member>
@@ -46,9 +47,9 @@
         <ReturnType>GLib.MountOperationResult</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The request was unhandled (i.e. not implemented).</summary>
         <since version="Gtk# 2.14" />
       </Docs>
     </Member>
   </Members>
-</Type>
+</Type>
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