diff --git a/mu4e/mu4e-folders.el b/mu4e/mu4e-folders.el
index 888d69b8..032e0cf0 100644
--- a/mu4e/mu4e-folders.el
+++ b/mu4e/mu4e-folders.el
@@ -92,12 +92,11 @@ This makes it possible to quickly go to a particular
 maildir (folder), or quickly moving messages to them (e.g., for
 archiving or refiling).
 
-Each of the list elements is a plist with at least a
+Each of the list elements is a plist with at least:
 `:maildir'  - the maildir for the shortcut (e.g. \"/archive\")
+`:key'      - the shortcut key.
 
 Optionally, you can add the following:
-`:key'  - the shortcut key, can also be a string that gets
-displayed in the main view.
 `:name' - name of the maildir to be displayed in main-view.
 `:hide'  - if t, the shortcut is hidden from the main-view and
 speedbar.
diff --git a/mu4e/mu4e-main.el b/mu4e/mu4e-main.el
index 4e7e08e2..637d9cdf 100644
--- a/mu4e/mu4e-main.el
+++ b/mu4e/mu4e-main.el
@@ -210,7 +210,7 @@ clicked."
            with longest = (mu4e--longest-of-maildirs-and-bookmarks)
            with queries = (plist-get mu4e--server-props :queries)
            for m in mds
-           for key = (plist-get m :key)
+           for key = (string (plist-get m :key))
            for name = (plist-get m :name)
            for query = (plist-get m :query)
            for qcounts = (and (stringp query)
diff --git a/mu4e/mu4e.texi b/mu4e/mu4e.texi
index fca0f199..15f38dc2 100644
--- a/mu4e/mu4e.texi
+++ b/mu4e/mu4e.texi
@@ -2015,8 +2015,7 @@ quick access to, for example:
      (:maildir "/lists"     :key  ?l)
      (:maildir "/work"      :key  ?w)
      (:maildir "/sent"      :key  ?s)
-     (:maildir "/lists/project_a/list_b" :key "Lab")
-     (:maildir "/lists/project_c/list_x" :key ?x :name "Project X")))
+     (:maildir "/lists/project/project_X" :key ?x :name "Project X")))
 @end lisp
 
 This sets @key{i} as a shortcut for the @t{/inbox} folder --- effectively a
@@ -2026,8 +2025,7 @@ choose from @emph{all} maildirs that you have. There is support for
 autocompletion; note that the list of maildirs is determined when @t{mu4e}
 starts; if there are changes in the maildirs while @t{mu4e} is running, you
 need to restart @t{mu4e}. Optionally, you can specify a name to be displayed
-in the main view. The key can also be a string, in that case the string gets
-displayed in the main view. This is useful e.g. for calling custom Hydras.
+in the main view.
 
 Each of the folder names is relative to your top-level maildir directory; so
 if you keep your mail in @file{~/Maildir}, @file{/inbox} would refer to