diff --git a/plugins/Channel/plugin.py b/plugins/Channel/plugin.py
index 7cb51f937..e4f16f945 100644
--- a/plugins/Channel/plugin.py
+++ b/plugins/Channel/plugin.py
@@ -418,7 +418,7 @@ class Channel(callbacks.Plugin):
         nick = msg.args[1]
         nick = ircutils.toLower(nick)
         replyIrc = self.invites.pop((irc, nick), None)
-        if replyirc is not None:
+        if replyIrc is not None:
             replyIrc.error(format('There is no %s on this server.', nick))
 
     class lobotomy(callbacks.Commands):
diff --git a/plugins/Factoids/plugin.py b/plugins/Factoids/plugin.py
index 30d366fce..f534eeb42 100644
--- a/plugins/Factoids/plugin.py
+++ b/plugins/Factoids/plugin.py
@@ -382,7 +382,7 @@ class Factoids(callbacks.Plugin, plugins.ChannelDBHandler):
         """[<channel>] [--values] [--{regexp} <value>] [<glob> ...]
 
         Searches the keyspace for keys matching <glob>.  If --regexp is given,
-        it associated value is taken as a regexp and matched against the keys.
+        its associated value is taken as a regexp and matched against the keys.
         If --values is given, search the value space instead of the keyspace.
         """
         if not optlist and not globs:
diff --git a/plugins/Karma/plugin.py b/plugins/Karma/plugin.py
index 02570b5af..392590f78 100644
--- a/plugins/Karma/plugin.py
+++ b/plugins/Karma/plugin.py
@@ -280,7 +280,7 @@ class Karma(callbacks.Plugin):
         N karmas, where N is determined by the config variable
         supybot.plugins.Karma.rankingDisplay.  If one <thing> is given, returns
         the details of its karma; if more than one <thing> is given, returns
-        the total karma of each of the the things. <channel> is only necessary
+        the total karma of each of the things. <channel> is only necessary
         if the message isn't sent on the channel itself.
         """
         if len(things) == 1:
diff --git a/plugins/NickCapture/plugin.py b/plugins/NickCapture/plugin.py
index e81ad5718..56db6347c 100644
--- a/plugins/NickCapture/plugin.py
+++ b/plugins/NickCapture/plugin.py
@@ -35,7 +35,7 @@ import supybot.ircutils as ircutils
 import supybot.callbacks as callbacks
 
 class NickCapture(callbacks.Plugin):
-    """This module constantly tries to take whatever nick is configured as
+    """This plugin constantly tries to take whatever nick is configured as
     supybot.nick.  Just make sure that's set appropriately, and thus plugin
     will do the rest."""
     public = False
diff --git a/plugins/Protector/plugin.py b/plugins/Protector/plugin.py
index cae90feeb..0867e48eb 100644
--- a/plugins/Protector/plugin.py
+++ b/plugins/Protector/plugin.py
@@ -96,7 +96,7 @@ class Protector(callbacks.Plugin):
         channel = msg.args[0]
         chanOp = ircdb.makeChannelCapability(channel, 'op')
         chanVoice = ircdb.makeChannelCapability(channel, 'voice')
-        chanhalfop = ircdb.makeChannelCapability(channel, 'halfop')
+        chanHalfOp = ircdb.makeChannelCapability(channel, 'halfop')
         if not ircdb.checkCapability(msg.prefix, chanOp):
             irc.sendMsg(ircmsgs.deop(channel, msg.nick))
         for (mode, value) in ircutils.separateModes(msg.args[1:]):
diff --git a/plugins/Topic/plugin.py b/plugins/Topic/plugin.py
index ac9fef272..d3dde3a6b 100644
--- a/plugins/Topic/plugin.py
+++ b/plugins/Topic/plugin.py
@@ -351,7 +351,7 @@ class Topic(callbacks.Plugin):
     def unlock(self, irc, msg, args, channel):
         """[<channel>]
 
-        Locks the topic (sets the mode +t) in <channel>.  <channel> is only
+        Unlocks the topic (sets the mode -t) in <channel>.  <channel> is only
         necessary if the message isn't sent in the channel itself.
         """
         irc.queueMsg(ircmsgs.mode(channel, '-t'))