diff --git a/lib/csv.rb b/lib/csv.rb
index 8925de8293..ce5fdeaa61 100644
--- a/lib/csv.rb
+++ b/lib/csv.rb
@@ -1556,7 +1556,7 @@ class CSV
   #
   # See CSV::DEFAULT_OPTIONS for the default settings.
   #
-  # Options cannot be overriden in the instance methods for performance reasons,
+  # Options cannot be overridden in the instance methods for performance reasons,
   # so be sure to set what you want here.
   #
   def initialize(data, options = Hash.new)
diff --git a/lib/logger.rb b/lib/logger.rb
index 1f09af0f6b..ad1c06fb0e 100644
--- a/lib/logger.rb
+++ b/lib/logger.rb
@@ -607,7 +607,7 @@ private
       if FileTest.exist?(age_file)
         # try to avoid filename crash caused by Timestamp change.
         idx = 0
-        # .99 can be overriden; avoid too much file search with 'loop do'
+        # .99 can be overridden; avoid too much file search with 'loop do'
         while idx < 100
           idx += 1
           age_file = "#{@filename}.#{postfix}.#{idx}"
diff --git a/lib/rss.rb b/lib/rss.rb
index f8734e73f8..fd7364645b 100644
--- a/lib/rss.rb
+++ b/lib/rss.rb
@@ -35,7 +35,7 @@
 #
 # As you can see, the workhorse is RSS::Parser#parse, which takes the source of
 # the feed and a parameter that performs validation on the feed. We get back an
-# object that has all of the data from our feed, accessable through methods.
+# object that has all of the data from our feed, accessible through methods.
 # This example shows getting the title out of the channel element, and looping
 # through the list of items.
 #
diff --git a/lib/webrick/httpauth/authenticator.rb b/lib/webrick/httpauth/authenticator.rb
index 0739d4371d..9b9beeceba 100644
--- a/lib/webrick/httpauth/authenticator.rb
+++ b/lib/webrick/httpauth/authenticator.rb
@@ -22,7 +22,7 @@ module WEBrick
       AuthException     = HTTPStatus::Unauthorized
 
       ##
-      # Method of authentication, must be overriden by the including class
+      # Method of authentication, must be overridden by the including class
 
       AuthScheme        = nil