diff --git a/bitbake/doc/user-manual/user-manual-metadata.xml b/bitbake/doc/user-manual/user-manual-metadata.xml
index 9cd1a9d922..cd5736e839 100644
--- a/bitbake/doc/user-manual/user-manual-metadata.xml
+++ b/bitbake/doc/user-manual/user-manual-metadata.xml
@@ -36,14 +36,7 @@
      VARIABLE = " value"
      VARIABLE = "value "
                 </literallayout>
-            </para>
-        </section>
-
-        <section id='null-and-blank-variable-setting'>
-            <title>Null and Blank Variable Setting</title>
-
-            <para>
-                Setting <filename>VARIABLE</filename> to "" sets it to null,
+                Setting <filename>VARIABLE</filename> to "" sets it to an empty string,
                 while setting the variable to " " sets it to a blank space
                 (i.e. these are not the same values).
                 <literallayout class='monospaced'>