Fix grammar.

Author: wtn

lib/protocol/http/body/buffered.rb

@@ -9,7 +9,7 @@
 module Protocol
 	module HTTP
 		module Body
-			# A body which buffers all it's contents.
+			# A body which buffers all its contents.
 			class Buffered < Readable
 				# Tries to wrap an object in a {Buffered} instance.
 				#

lib/protocol/http/body/head.rb

@@ -10,7 +10,7 @@ module HTTP
 		module Body
 			# Represents a body suitable for HEAD requests, in other words, a body that is empty and has a known length.
 			class Head < Readable
-				# Create a head body for the given body, capturing it's length and then closing it.
+				# Create a head body for the given body, capturing its length and then closing it.
 				def self.for(body)
 					head = self.new(body.length)
 

lib/protocol/http/body/rewindable.rb

@@ -9,7 +9,7 @@
 module Protocol
 	module HTTP
 		module Body
-			# A body which buffers all it's contents as it is read.
+			# A body which buffers all its contents as it is read.
 			#
 			# As the body is buffered in memory, you may want to ensure your server has sufficient (virtual) memory available to buffer the entire body.
 			class Rewindable < Wrapper