diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 6fae9f735e..73bb091be5 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -3677,7 +3677,7 @@
      vmdk
      elf
                     </literallayout>
-                    For more information on how these types of images, see
+                    For more information about these types of images, see
                     <filename>meta/classes/image_types*.bbclass</filename>
                     in the
                     <ulink url='&YOCTO_DOCS_DEV_URL;#source-directory'>Source Directory</ulink>.