docs: Fix basics-bus docs

Fix wrong information about bus watch functions in the
application development manual.

Fixes #608127

diff --git a/docs/manual/basics-bus.xml b/docs/manual/basics-bus.xml
index 5b4674f..8b8bbc1 100644 (file)
--- a/docs/manual/basics-bus.xml
+++ b/docs/manual/basics-bus.xml
@@ -38,7 +38,7 @@
             be called whenever the pipeline emits a message to the bus. In this
             handler, check the signal type (see next section) and do something
             accordingly. The return value of the handler should be TRUE to
-            remove the message from the bus.
+            keep the handler attached to the bus, return FALSE to remove it.
           </para>
         </listitem>
         <listitem>