diff --git a/doc/osx.t2t b/doc/osx.t2t
index 3b9a35de95e..2d54a1a5e29 100644
--- a/doc/osx.t2t
+++ b/doc/osx.t2t
@@ -1,4 +1,3 @@
-
 = Building on MacOS X =
 
 In this approach I will try to avoid as much as possible building dependencies
@@ -77,6 +76,9 @@ of Xcode, regardless of using a separate DMG installer for just the tools.
 
 Xcode 4.4+ also introduces the clang frontend to the LLVM compiler as default.
 
+**Note:** In XCODE 4.5 installed from teh app store, you need to install the 
+command line tools from XCode -> Preferences -> Downloads and choose command line tools.
+
 http://clang.llvm.org/
 
 The supplied clang version 4 can compile QGIS, but presents many warnings