diff --git a/Builds/MacOSX/make_portable.sh b/Builds/MacOSX/make_portable.sh
index 47a3cdb..2042aa5 100755
--- a/Builds/MacOSX/make_portable.sh
+++ b/Builds/MacOSX/make_portable.sh
@@ -66,6 +66,7 @@ get_env_specific_dependencies_recursive () {
 DEP_PATHS=$(get_env_specific_dependencies_recursive "$BINARY")
 
 mkdir -p "$LIB"
+# copy each distinct dylib in the dependency tree into our lib folder
 echo "$DEP_PATHS" \
 | xargs -n1 realpath \
 | sort \