diff --git a/language/variables.xml b/language/variables.xml
index ddc8f27714..fb224916ff 100644
--- a/language/variables.xml
+++ b/language/variables.xml
@@ -853,7 +853,7 @@ I am bar.
 
     <note>
      <para>
-      Dots and spaces in variable names are converted to undescores. For
+      Dots and spaces in variable names are converted to underscores. For
       example <literal>&lt;input name="a.b" /&gt;</literal> becomes
       <literal>$_REQUEST["a_b"]</literal>.
      </para>