diff --git a/projectconf/sections/platformio/options/directory/lib_dir.rst b/projectconf/sections/platformio/options/directory/lib_dir.rst
index 9b9bb894d6..784260bb13 100644
--- a/projectconf/sections/platformio/options/directory/lib_dir.rst
+++ b/projectconf/sections/platformio/options/directory/lib_dir.rst
@@ -55,5 +55,12 @@ Then in ``src/main.c`` you should use:
 
     // rest of H/C/CPP code
 
+And platformio.ini file [env:] should include:
+
+-- code::
+    lib_deps = 
+        Bar
+        Foo
+
 PlatformIO will find your libraries automatically, configure the
-preprocessor's include paths and build them.
\ No newline at end of file
+preprocessor's include paths and build them.