add clarifying comment

.hgignore

@@ -3,3 +3,4 @@ syntax: glob
 *.pyc
 *.sqlite3
 botconfig.py
+errors.log

botconfig.py.example

@@ -15,6 +15,8 @@ ALLOW = {"cloakof/fwaiter": ("fwait",),
          "cloakof/?omeone_else": ("fday","fnight")}
 DENY = {}
 
+# Stop editing here
+
 # Argument --debug means start in debug mode
 import argparse
 parser = argparse.ArgumentParser()