diff --git a/src/editor/commands.js b/src/editor/commands.js
index 890174d..1844ec2 100644
--- a/src/editor/commands.js
+++ b/src/editor/commands.js
@@ -84,7 +84,7 @@ const HEYNOTE_COMMANDS = {
     copy: copyCommand,
 }
 
-// emacs-mode:ify all cursor/select commands from CodeMirror
+// selection mark-mode:ify all cursor/select commands from CodeMirror
 for (let commandSuffix of [
     "CharLeft", "CharRight",
     "CharBackward", "CharForward",
diff --git a/src/editor/emacs-mode.js b/src/editor/mark-mode.js
similarity index 100%
rename from src/editor/emacs-mode.js
rename to src/editor/mark-mode.js