diff --git a/Build.md b/Build.md
index a2e8f53..78603dd 100644
--- a/Build.md
+++ b/Build.md
@@ -136,6 +136,7 @@ sudo apt install ccls
 # build from source
 sudo apt install clang cmake libclang-dev llvm-dev rapidjson-dev
 cmake -H. -BRelease
+cmake --build Release
 ```
 
 ### Fedora