Change back to "protobuf_BUILD_TESTS" flag
In anticipation of PR #753 getting merged we'll change this back. However until that PR gets merged the old value "BUILD_TESTS" is really needed.
diff --git a/cmake/README.md b/cmake/README.md
index f7f279c..b3042e6 100644
--- a/cmake/README.md
+++ b/cmake/README.md
@@ -131,7 +131,7 @@
It will generate *Visual Studio* solution file *protobuf.sln* in current directory.
If the *gmock* directory does not exist, and you do not want to build protobuf unit tests,
-you need to add *cmake* command argument `-DBUILD_TESTING=OFF` to disable testing.
+you need to add *cmake* command argument `-Dprotobuf_BUILD_TESTS=OFF` to disable testing.
Compiling
=========
