1 files changed, 1 insertions, 1 deletions
diff --git a/common.mk b/common.mk
index b0ab4f81d7..ca0a118809 100644
--- a/common.mk
+++ b/common.mk
@@ -1102,5 +1102,5 @@ help: PHONY
 	"  golf:            for golfers" \
 	"" \
 	"see DeveloperHowto for more detail: " \
-	"  http://bugs.ruby-lang.org/wiki/ruby/DeveloperHowto" \
+	"  https://bugs.ruby-lang.org/projects/ruby/wiki/DeveloperHowto" \
 	$(MESSAGE_END)