[CHANGELOG] Use the correct word

CHANGELOG.md

@@ -89,7 +89,7 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [Samuel Giddins](https://github.com/segiddins)
   [#3347](https://github.com/CocoaPods/CocoaPods/issues/3347)
 
-* Targets that are no longer integrated will CocoaPods will be properly
+* Targets that are no longer integrated with CocoaPods will be properly
   de-integrated when installation occurs.  
   [Samuel Giddins](https://github.com/segiddins)
 

spec/unit/installer/user_project_integrator/target_integrator/xcconfig_integrator_spec.rb

@@ -106,7 +106,7 @@ module Pod
       UI.warnings.should.not.match /not set.*base configuration/
     end
 
-    it 'handles when xcconfig is set to another sandox xcconfig' do
+    it 'handles when xcconfig is set to another sandbox xcconfig' do
       group = @project.new_group('Pods')
       old_config = group.new_file('../Pods/Target Support Files/Pods/SampleConfig.xcconfig')
       @target.build_configurations.each do |config|

spec/unit/installer_spec.rb

@@ -196,7 +196,7 @@ module Pod
           end
         end
 
-        it 'does deintegrate when the major version is the same' do
+        it 'does deintegrate when the major version is different' do
           VERSION.stubs(:to_s).returns('1.1.0')
           should_not_deintegrate = %w(0.39.0 2.0.0 10.0-beta)
           should_not_deintegrate.each do |version|