diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 18e7fbf400..5cf52ca1fc 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -838,7 +838,7 @@ Core layer for images cannot be removed
             <glossdef>
                 <para>Features from
                     <filename><link linkend='var-DISTRO_FEATURES_BACKFILL'>DISTRO_FEATURES_BACKFILL</link></filename>
-                    that should not backfilled (i.e. added to
+                    that should not be backfilled (i.e. added to
                     <filename><link linkend='var-DISTRO_FEATURES'>DISTRO_FEATURES</link></filename>)
                     during the build.
                     See the "<link linkend='ref-features-backfill'>Feature Backfilling</link>" section for