bitbake: bitbake-user-manual: Correct description for _append/_prepend/_remove

The effects of _append/_prepend/_remove are applied when a variable
is expanded, not after parsing has completed.

(Bitbake rev: f9b67433cb4fe5132ab2cf4a9c6bc078b42e1960)

Signed-off-by: Jacob Kroon <jacob.kroon@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml

@@ -369,9 +369,8 @@
 
             <para>
                 These operators differ from the ":=", ".=", "=.", "+=", and "=+"
-                operators in that their effects are deferred
-                until after parsing completes rather than being immediately
-                applied.
+                operators in that their effects are applied at variable
+                expansion time rather than being immediately applied.
                 Here are some examples:
                 <literallayout class='monospaced'>
      B = "bval"
@@ -435,7 +434,7 @@
 
             <para>
                 Like "_append" and "_prepend", "_remove"
-                is deferred until after parsing completes.
+                is applied at variable expansion time.
             </para>
         </section>