diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index 6c9c69ec3986be379a86f745f30a9eab9b817d96..ec5890b51bd664cf9451b2a7e8c38f9556c0c33f 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -88,6 +88,7 @@ In most cases the name of the architecture is the same as the
 directory name found in the arch/ directory.
 But some architectures such as x86 and sparc have aliases.
 x86: i386 for 32 bit, x86_64 for 64 bit
+sh: sh for 32 bit, sh64 for 64 bit
 sparc: sparc for 32 bit, sparc64 for 64 bit
 
 CROSS_COMPILE