diff --git a/common/content/commandline.js b/common/content/commandline.js
index 6d9bc910..ada617fd 100644
--- a/common/content/commandline.js
+++ b/common/content/commandline.js
@@ -1677,6 +1677,7 @@ var CommandLine = Module("commandline", {
         });
 
         modes.addMode("INPUT_MULTILINE", {
+            description: "Active when the command line's multiline input buffer is open",
             bases: [modes.INSERT]
         });
     },