diff --git a/doc/source/conf.el b/doc/source/conf.el
index 093bbd2..f9c500f 100644
--- a/doc/source/conf.el
+++ b/doc/source/conf.el
@@ -8,6 +8,7 @@
 (require 'ein-mumamo)
 (require 'ein-ac)
 (require 'ein-connect)
+(require 'ein-autoexec)
 
 ;; Load `wid-edit'.  Otherwise the following error will be raised:
 ;;    Symbol's function definition is void: widget-button-press
diff --git a/doc/source/index.rst b/doc/source/index.rst
index 41e9ece..281de86 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -220,6 +220,7 @@ The following keybinds are available in notebook buffers.
 .. el:function:: ein:notebook-delete-cell-command
 .. el:function:: ein:notebook-rename-to-scratch-command
 .. el:function:: ein:notebook-kill-all-buffers
+.. el:function:: ein:autoexec-mode
 
 Connected buffer
 ^^^^^^^^^^^^^^^^
@@ -304,6 +305,7 @@ Notebook
 .. el:variable:: ein:cell-traceback-level
 .. el:variable:: ein:cell-max-num-outputs
 .. el:variable:: ein:scratch-notebook-name-template
+.. el:variable:: ein:autoexec-delay
 
 Connect
 ^^^^^^^
@@ -474,6 +476,7 @@ v0.1.1
 * Add :el:symbol:`ein:pytools-pandas-to-ses`.
 * Add Imenu support.
 * Better heading cell faces.
+* Add :el:symbol:`ein:autoexec-mode`
 
 
 v0.1
diff --git a/lisp/ein-autoexec.el b/lisp/ein-autoexec.el
index ce22e67..28a09a3 100644
--- a/lisp/ein-autoexec.el
+++ b/lisp/ein-autoexec.el
@@ -54,7 +54,9 @@ If the previous execution timer is not fired yet, cancel the timer."
       (ein:autoexec-execute-cell cell))))
 
 (define-minor-mode ein:autoexec-mode
-  "Automatic cell execution minor mode."
+  "Automatic cell execution minor mode.
+Code cell at point will be automatically executed after any
+change in its input area."
   :lighter " ein:au"
   :group 'ein
   (if ein:autoexec-mode