diff --git a/allNotes.txt b/allNotes.txt
index ca6bb70..d1d02cb 100644
--- a/allNotes.txt
+++ b/allNotes.txt
@@ -10,4 +10,4 @@ here are some hints:
 - `:` and `;` are swapped
 - `jj` escapes insert mode
 
-this side-project uses the excellent [CodeMirror editor]()
\ No newline at end of file
+this side-project uses the excellent [CodeMirror editor](codemirror.net)
\ No newline at end of file