diff --git a/doc/building-xcode-old.md b/doc/building-xcode-old.md
index 58d3c8143..43ee4082e 100644
--- a/doc/building-xcode-old.md
+++ b/doc/building-xcode-old.md
@@ -131,7 +131,7 @@ In Terminal go to **/Users/user/TBuild/Libraries** and run:
 
     git clone https://github.com/FFmpeg/FFmpeg.git ffmpeg
     cd ffmpeg
-    git checkout release/2.8
+    git checkout release/3.1
 
 #####Building libraries
 
diff --git a/doc/building-xcode.md b/doc/building-xcode.md
index eb6bcca8a..929da9e6e 100644
--- a/doc/building-xcode.md
+++ b/doc/building-xcode.md
@@ -164,7 +164,7 @@ In Terminal go to **/Users/user/TBuild/Libraries** and run:
 
     git clone https://github.com/FFmpeg/FFmpeg.git ffmpeg
     cd ffmpeg
-    git checkout release/2.8
+    git checkout release/3.1
 
 * Download [libiconv-1.14](http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gz) from http://www.gnu.org/software/libiconv/#downloading
 * Extract to **/Users/user/TBuild/Libraries** to have **/Users/user/TBuild/Libraries/ibiconv-1.14**