Fix command output titles

ogizanagi · web-flow · commit 180594bc9372 · 2018-12-18T11:21:18.000+01:00
diff --git a/messenger/multiple_buses.rst b/messenger/multiple_buses.rst
@@ -262,7 +262,7 @@ You can also restrict the list to a specific bus by providing its name as argume
       =========
 
       messenger.bus.commands
-      -----------
+      ----------------------
 
        The following messages can be dispatched:
 
@@ -274,7 +274,7 @@ You can also restrict the list to a specific bus by providing its name as argume
        ---------------------------------------------------------------------------------------
 
       messenger.bus.queries
-      ---------
+      ---------------------
 
        The following messages can be dispatched:
 
