diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 9d62f963f0..d8e6127b63 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -2465,8 +2465,8 @@
                 </para>
 
                 <para>
-                    Being able to list explicit files is needed because
-                    <filename>COREBASE</filename> typically contains build
+                    Explicitly listing files in <filename>COREBASE</filename>
+                    is needed because it typically contains build
                     directories and other files that should not normally
                     be copied into the extensible SDK.
                     Consequently, the value of