diff --git a/Global/Xcode.gitignore b/Global/Xcode.gitignore
index 1b81d249584e3d550eef0d90db0350711bd8f939..d07b7894f1bf8add4b6c024c5021086397536d03 100644
--- a/Global/Xcode.gitignore
+++ b/Global/Xcode.gitignore
@@ -1,4 +1,12 @@
+# Xcode
+#
+# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
+
+## Build generated
 build/
+DerivedData
+
+## Various settings
 *.pbxuser
 !default.pbxuser
 *.mode1v3
@@ -8,7 +16,8 @@ build/
 *.perspectivev3
 !default.perspectivev3
 xcuserdata
+
+## Other
 *.xccheckout
 *.moved-aside
-DerivedData
 *.xcuserstate
diff --git a/Objective-C.gitignore b/Objective-C.gitignore
index fffb5ed0007327b4e307788bb336702188b1d8e2..7f24b4de80ea36fa9448192c24cb68d72e816456 100644
--- a/Objective-C.gitignore
+++ b/Objective-C.gitignore
@@ -1,6 +1,12 @@
 # Xcode
 #
+# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
+
+## Build generated
 build/
+DerivedData
+
+## Various settings
 *.pbxuser
 !default.pbxuser
 *.mode1v3
@@ -10,12 +16,15 @@ build/
 *.perspectivev3
 !default.perspectivev3
 xcuserdata
+
+## Other
 *.xccheckout
 *.moved-aside
-DerivedData
+*.xcuserstate
+
+## Obj-C/Swift specific
 *.hmap
 *.ipa
-*.xcuserstate
 
 # CocoaPods
 #
@@ -24,3 +33,10 @@ DerivedData
 # http://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
 #
 #Pods/
+
+# Carthage
+#
+# Add this line if you want to avoid checking in source code from Carthage dependencies.
+# Carthage/Checkouts
+
+Carthage/Build
diff --git a/Swift.gitignore b/Swift.gitignore
index 8615121b24a361eb4d1a5f1d06ca38d91202f7ec..583de456edd82695e84f29fd3e69b766af4491bb 100644
--- a/Swift.gitignore
+++ b/Swift.gitignore
@@ -1,6 +1,12 @@
 # Xcode
 #
+# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
+
+## Build generated
 build/
+DerivedData
+
+## Various settings
 *.pbxuser
 !default.pbxuser
 *.mode1v3
@@ -10,12 +16,15 @@ build/
 *.perspectivev3
 !default.perspectivev3
 xcuserdata
+
+## Other
 *.xccheckout
 *.moved-aside
-DerivedData
+*.xcuserstate
+
+## Obj-C/Swift specific
 *.hmap
 *.ipa
-*.xcuserstate
 
 # CocoaPods
 #