diff --git a/bots/irc-mirror.py b/bots/irc-mirror.py
index 3e5aa24..6f643e1 100644
--- a/bots/irc-mirror.py
+++ b/bots/irc-mirror.py
@@ -93,11 +93,11 @@ class IRCBot(irc.bot.SingleServerIRCBot):
                 return
             self.dcc_connect(address, port)
 
-usage = """python2.7 irc-mirror.py --server=IRC_SERVER --channel=<CHANNEL> --nick-prefix=<NICK> [optional args]
+usage = """python irc-mirror.py --server=IRC_SERVER --channel=<CHANNEL> --nick-prefix=<NICK> [optional args]
 
 Example:
 
-python2.7 irc-mirror.py --irc-server=127.0.0.1 --channel='#test' --nick-prefix=username
+python irc-mirror.py --irc-server=127.0.0.1 --channel='#test' --nick-prefix=username
   --site=https://zulip.example.com --user=irc-bot@example.com
   --api-key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 
diff --git a/integrations/perforce/git_p4.py b/integrations/perforce/git_p4.py
index b76451c..69b1646 100644
--- a/integrations/perforce/git_p4.py
+++ b/integrations/perforce/git_p4.py
@@ -33,7 +33,7 @@ import stat
 try:
     from subprocess import CalledProcessError
 except ImportError:
-    # from python2.7:subprocess.py
+    # from python:subprocess.py
     # Exception classes used by this module.
     class CalledProcessError(Exception):
         """This exception is raised when a process run by check_call() returns