Added missing quote in help

Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>

1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index fe910a2..190dd08 100644
--- a/Makefile
+++ b/Makefile
@@ -149,7 +149,7 @@ tools/syncthing/copytobin:
 help:
 	@echo "Main supported rules:"
 	@echo "  all               (default)"
-	@echo "  build
+	@echo "  build"
 	@echo "  package"
 	@echo "  install"
 	@echo "  clean"