1 files changed, 2 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 7b2af9a..777df9b 100644
--- a/Makefile
+++ b/Makefile
@@ -45,7 +45,8 @@ license:
 
 .PHONY: docs
 docs:
-	./scripts/warn-undocumented
+	find src include -iname '*.[ch]' |\
+		xargs ./scripts/warn-undocumented
 	doxygen docs/doxygen.conf
 
 .PHONY: check