Some tweaks to docs and dummy default setting

docs/source/Components/Channels.md

@@ -85,7 +85,7 @@ You can now just do
 And even remove the default one if they don't want to use it
 
     channel/unalias public
-    public Hello
+    public Hello    (gives a command-not-found error now)
 
 But you can also use your alias with the `channel` command:
 

evennia/server/profiling/dummyrunner_settings.py

@@ -283,7 +283,7 @@ elif PROFILE == 'normal_player':
         (0.29, c_looks),
         (0.2, c_help),
         (0.3, c_moves),
-        (0.2, c_socialize),
+        (0.05, c_socialize),
         (0.1, c_measure_lag)
     )
 elif PROFILE == 'normal_builder':