diff --git a/python/dune/perftool/compile.py b/python/dune/perftool/compile.py
index 473e7b0ff364429a3124271bef0f4be3a31f5173..6200538cd50d4958ba576aa55bb4f8c563a70bae 100644
--- a/python/dune/perftool/compile.py
+++ b/python/dune/perftool/compile.py
@@ -71,6 +71,7 @@ def generate_driver(form, filename):
     delete_cache_items()
 
 
+# This function is the entrypoint of the ufl2pdelab executable
 def compile_form():
     from dune.perftool.options import get_option
     form = read_ufl(get_option("uflfile"))