diff --git a/Developer-guides.md b/Developer-guides.md
index 38454b8..e9a5b55 100644
--- a/Developer-guides.md
+++ b/Developer-guides.md
@@ -175,7 +175,7 @@ Install plugins and use the program option `-x`.
 
 #### External editor on Cygwin
 
-See jarun/nnn#1200.
+See @jarun/nnn#1200.
 
 ## Compile with musl libc