diff --git a/docs/man-home-manager.xml b/docs/man-home-manager.xml
index e83cab898..1a2fe68e1 100644
--- a/docs/man-home-manager.xml
+++ b/docs/man-home-manager.xml
@@ -346,8 +346,8 @@
         </listitem>
         <listitem>
          <para>
-          optionally remove all Home Manager generations and make them
-          available for immediate garbage collection.
+          remove all Home Manager generations and make them available
+          for immediate garbage collection.
          </para>
         </listitem>
        </itemizedlist>