diff --git a/clang/www/get_started.html b/clang/www/get_started.html
--- a/clang/www/get_started.html
+++ b/clang/www/get_started.html
@@ -69,9 +69,9 @@
     <li><tt>cd llvm-project</tt></li>
     <li><tt>mkdir build</tt> (in-tree build is not supported)</li>
     <li><tt>cd build</tt></li>
+    <li>This builds both LLVM and Clang for debug mode and takes a lot of time and space. Alternatively -DCMAKE_BUILD_TYPE=Release" can be use to make a release build.</li>
     <li><tt>cmake -DLLVM_ENABLE_PROJECTS=clang -G "Unix Makefiles" ../llvm</tt></li>
     <li><tt>make</tt></li>
-    <li>This builds both LLVM and Clang for debug mode.</li>
     <li>Note: For subsequent Clang development, you can just run
         <tt>make clang</tt>.</li>
     <li>CMake allows you to generate project files for several IDEs: Xcode,