diff --git a/source/faq/mongo.txt b/source/faq/mongo.txt
index 8abda6bf7d7..1928640f6e0 100644
--- a/source/faq/mongo.txt
+++ b/source/faq/mongo.txt
@@ -133,7 +133,7 @@ edit with the specified editor by typing ``edit <variable>`` or ``edit
 
    .. code-block:: sh
 
-      EDITOR=vim
+      EDITOR="vim"
 
 #. Start the :program:`mongo` shell: