diff --git a/doc/howto/how_to_build_and_install.md b/doc/howto/how_to_build_and_install.md
index ba6a90e..1cfb1dd 100644
--- a/doc/howto/how_to_build_and_install.md
+++ b/doc/howto/how_to_build_and_install.md
@@ -39,6 +39,7 @@ if you want to use python API, you need to install python and swig:
 In the YDLidar SDK directory, run the following commands to compile the project:
 ```
 git clone https://github.com/YDLIDAR/YDLidar-SDK.git
+mkdir -p YDLidar-SDK/build
 cd YDLidar-SDK/build
 cmake ..
 make