diff --git a/PIPMacros.cmake b/PIPMacros.cmake
index 5036e2fa..38f5bf0b 100644
--- a/PIPMacros.cmake
+++ b/PIPMacros.cmake
@@ -58,6 +58,9 @@ macro(pip_code_model RESULT)
 						VERBATIM)
 endmacro()
 
+
+# usage: pip_resources(<out_var> file)
+# add ${<out_var>} to your target
 macro(pip_resources RESULT INPUT)
 	#message(STATUS "src = ${CCM_SRC}")
 	#message(STATUS "result = ${RESULT}")