diff --git a/.gitmodules b/.gitmodules
index 0bc1620..ed613bb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -6,7 +6,7 @@
 	url = https://github.com/cntools/rawdraw
 [submodule "colorchord2/cnfa"]
 	path = colorchord2/cnfa
-	url = https://github.com:sellicott/cnfa
+	url = https://github.com/sellicott/cnfa
 [submodule "colorchord2/android/rawdrawandroid"]
 	path = colorchord2/android/rawdrawandroid
 	url = https://github.com/cnlohr/rawdrawandroid