diff --git a/documentation/dev-manual/dev-manual-common-tasks.xml b/documentation/dev-manual/dev-manual-common-tasks.xml
index ad5be9d499..4ff68d4bc7 100644
--- a/documentation/dev-manual/dev-manual-common-tasks.xml
+++ b/documentation/dev-manual/dev-manual-common-tasks.xml
@@ -231,11 +231,19 @@
             <title>Using .bbappend Files</title>
 
             <para>
-                Recipe append files (<filename>.bbappend</filename> type) allow your layer to make additions or 
-                changes to the content of another layer's recipe without having to copy the other recipe into 
-                your layer.
-                Your <filename>.bbappend</filename> file resides in your layer, while the underlying recipe 
-                to which you are appending resides in a different layer.
+                Recipes used to append metadata to other recipes are called BitBake append files.
+                BitBake append files use the <filename>.bbappend</filename> file type suffix, while  
+                underlying recipes to which metadata is being appended use the 
+                <filename>.bb</filename> file type suffix.
+            </para>
+
+            <para>
+                A <filename>.bbappend</filename> file allows your layer to make additions or 
+                changes to the content of another layer's recipe without having to copy the other 
+                recipe into your layer.
+                Your <filename>.bbappend</filename> file resides in your layer, while the underlying 
+                <filename>.bb</filename> recipe file to which you are appending metadata
+                resides in a different layer.
             </para>
 
             <para>