diff --git a/tlibtoml.config b/tlibtoml.config
index db0830b..19ea58b 100644
--- a/tlibtoml.config
+++ b/tlibtoml.config
@@ -5,9 +5,12 @@
 
 DEP_WORKING_DIR="$DEPENDENCIES_DIR/tlibtoml"
 
+user_config_path="project.config.user"
+absolute_dep_dir=$(realpath "$DEPENDENCIES_DIR")
+
 function setup_user_config(){
-    local user_config_path="project.config.user"
-    local absolute_dep_dir=$(realpath "$DEPENDENCIES_DIR")
+    # Set variable `DEPENDENCIES_DIR`` in `tlibtoml/project.config.user`
+    # to the directory where `tlibc`` is installed
     file_copy_default_if_not_present "$user_config_path" "$user_config_path.default"
     replace_var_value_in_script "$user_config_path" "DEPENDENCIES_DIR" "$absolute_dep_dir"
 }