diff --git a/README.md b/README.md
index 04b6cf9e..aaf8c53d 100644
--- a/README.md
+++ b/README.md
@@ -45,11 +45,13 @@ These platforms are officially tested.
 Download the `pocketpy.h` on our [GitHub Release](https://github.com/blueloveTH/pocketpy/releases) page.
 And `#include` it in your project.
 
-You can also use cmake to build it from source. See CMakeLists.txt for details.
+You can also use cmake to build it from source. See [CMakeLists.txt](https://github.com/blueloveTH/pocketpy/blob/main/CMakeLists.txt) for details.
 These variables can be set to control the build process:
-+ `PK_BUILD_STATIC_LIB` - Build the static library
++ `PK_BUILD_STATIC_LIB` - Build the static library (default, recommended)
 + `PK_BUILD_SHARED_LIB` - Build the shared library
 
+It is safe to use `main` branch in production.
+
 ### Compile Flags
 
 To compile it with your project, these flags must be set:
diff --git a/docs/quick-start/installation.md b/docs/quick-start/installation.md
index df5ec906..5def2d9b 100644
--- a/docs/quick-start/installation.md
+++ b/docs/quick-start/installation.md
@@ -36,6 +36,8 @@ These variables can be set to control the build process:
 
 See [CMakeLists.txt](https://github.com/blueloveTH/pocketpy/blob/main/CMakeLists.txt) for details.
 
+It is safe to use `main` branch in production.
+
 ### Compile flags
 
 To compile it with your project, these flags must be set: