diff --git a/x/lib/gdk-pixbuf.xml b/x/lib/gdk-pixbuf.xml
index 7612750edd..32732cd536 100644
--- a/x/lib/gdk-pixbuf.xml
+++ b/x/lib/gdk-pixbuf.xml
@@ -129,6 +129,17 @@ make</userinput></screen>
     </para>
 
 <screen role="root"><userinput>make install</userinput></screen>
+
+    <note>
+      <para>
+        If you installed the package on to your system using a
+        <quote>DESTDIR</quote> method then important file was not installed and
+        must be copied and/or generated. Generate it using the following
+        command as the <systemitem class="username">root</systemitem> user:
+      </para>
+
+<screen role="root"><userinput>gdk-pixbuf-query-loaders --update-cache</userinput></screen>
+    </note>
   </sect2>
 
   <sect2 role="commands">
diff --git a/x/lib/gtk+2.xml b/x/lib/gtk+2.xml
index 62f63a5eb1..1fe6e502c9 100644
--- a/x/lib/gtk+2.xml
+++ b/x/lib/gtk+2.xml
@@ -145,13 +145,12 @@ install -v -m644 docs/*.txt /usr/share/doc/gtk+-&gtk2-version;</userinput></scre
     <note>
       <para>
         If you installed the package on to your system using a
-        <quote>DESTDIR</quote> method two important files were not installed and
-        must be copied and/or generated. Generate them using the following
-        commands as the <systemitem class="username">root</systemitem> user:
+        <quote>DESTDIR</quote> method then important file was not installed and
+        must be copied and/or generated. Generate it using the following
+        command as the <systemitem class="username">root</systemitem> user:
       </para>
 
-<screen role="root"><userinput>gdk-pixbuf-query-loaders > /etc/gtk-2.0/gdk-pixbuf.loaders &amp;&amp;
-gtk-query-immodules-2.0  > /etc/gtk-2.0/gtk.immodules</userinput></screen>
+<screen role="root"><userinput>gtk-query-immodules-2.0 > /etc/gtk-2.0/gtk.immodules</userinput></screen>
     </note>
   </sect2>
 
diff --git a/x/lib/gtk+3.xml b/x/lib/gtk+3.xml
index 585db2284f..8d264a7530 100644
--- a/x/lib/gtk+3.xml
+++ b/x/lib/gtk+3.xml
@@ -136,6 +136,17 @@ make check</userinput></screen>
     </para>
 
 <screen role="root"><userinput>make install</userinput></screen>
+
+    <note>
+      <para>
+        If you installed the package on to your system using a
+        <quote>DESTDIR</quote> method then important file was not installed and
+        must be copied and/or generated. Generate it using the following
+        command as the <systemitem class="username">root</systemitem> user:
+      </para>
+
+<screen role="root"><userinput>gtk-query-immodules-3.0 --update-cache</userinput></screen>
+    </note>
   </sect2>
 
   <sect2 role="commands">
@@ -151,6 +162,7 @@ make check</userinput></screen>
       <command>rm tests/a11y/pickers.ui</command>: This prevents two tests
       being run as they are known to fail.
     </para>
+
   </sect2>
 
   <sect2 role="configuration">
diff --git a/x/lib/pango.xml b/x/lib/pango.xml
index 3862c7e6d4..44c3768900 100644
--- a/x/lib/pango.xml
+++ b/x/lib/pango.xml
@@ -114,13 +114,25 @@ make</userinput></screen>
     </para>
 
 <screen role="root"><userinput>make install</userinput></screen>
+
+    <note>
+      <para>
+        If you installed the package on to your system using a
+        <quote>DESTDIR</quote> method then important file was not installed and
+        must be copied and/or generated. Generate it using the following
+        command as the <systemitem class="username">root</systemitem> user:
+      </para>
+
+<screen role="root"><userinput>pango-querymodules > /etc/pango/pango.modules</userinput></screen>
+    </note>
   </sect2>
 
   <sect2 role="commands">
     <title>Command Explanations</title>
 
     <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
-    href="../../xincludes/gtk-doc-rebuild.xml"/>
+      href="../../xincludes/gtk-doc-rebuild.xml"/>
+
   </sect2>
 
   <sect2 role="configuration">