diff --git a/lisp/ob-lua.el b/lisp/ob-lua.el
index 041abfabc..980a71095 100644
--- a/lisp/ob-lua.el
+++ b/lisp/ob-lua.el
@@ -23,12 +23,14 @@
 
 ;;; Commentary:
 
-;; Org-Babel support for evaluating lua source code.
+;; Org-Babel support for evaluating Lua source code.
 
 ;; Requirements:
 ;; for session support, lua-mode is needed.
+;;
 ;; lua-mode is not part of GNU Emacs/orgmode, but can be obtained
-;; from marmalade or melpa.
+;; from NonGNU ELPA (see `M-x list-packages').
+;;
 ;; The source repository is here:
 ;; https://github.com/immerrr/lua-mode
 
@@ -68,14 +70,14 @@ This will typically be `lua-mode'."
   :type 'symbol)
 
 (defcustom org-babel-lua-hline-to "None"
-  "Replace hlines in incoming tables with this when translating to lua."
+  "Replace hlines in incoming tables with this when translating to Lua."
   :group 'org-babel
   :version "26.1"
   :package-version '(Org . "8.3")
   :type 'string)
 
 (defcustom org-babel-lua-None-to 'hline
-  "Replace `None' in lua tables with this before returning."
+  "Replace `None' in Lua tables with this before returning."
   :group 'org-babel
   :version "26.1"
   :package-version '(Org . "8.3")
@@ -145,8 +147,8 @@ The variable definitions are defining in PARAMS."
    (org-babel--get-vars params)))
 
 (defun org-babel-lua-var-to-lua (var)
-  "Convert an elisp value to a lua variable.
-Convert an elisp value, VAR, into a string of lua source code
+  "Convert an Emacs Lisp value to a Lua variable.
+Convert an Emacs Lisp value, VAR, into a string of Lua source code
 specifying a variable of the same value."
   (if (listp var)
       (if (and (= 1 (length var)) (not (listp (car var))))
@@ -207,7 +209,7 @@ Emacs-lisp table, otherwise return the results as a string."
 (defvar lua-which-bufname)
 (defvar lua-shell-buffer-name)
 (defun org-babel-lua-initiate-session-by-key (&optional session)
-  "Initiate a lua session.
+  "Initiate a Lua session.
 If there is not a current inferior-process-buffer in SESSION
 then create.  Return the initialized session."
   ;; (require org-babel-lua-mode)
@@ -317,7 +319,7 @@ PREAMBLE is passed to `org-babel-lua-evaluate-external-process'."
   "Evaluate BODY in external Lua process.
 If RESULT-TYPE equals `output' then return standard output as a
 string.  If RESULT-TYPE equals `value' then return the value of the
-last statement in BODY, as elisp.
+last statement in BODY, as Emacs Lisp.
 RESULT-PARAMS list all the :result header arg parameters.
 PREAMBLE string is appended to BODY."
   (let ((raw
@@ -353,7 +355,7 @@ PREAMBLE string is appended to BODY."
   "Pass BODY to the Lua process in SESSION.
 If RESULT-TYPE equals `output' then return standard output as a
 string.  If RESULT-TYPE equals `value' then return the value of the
-last statement in BODY, as elisp."
+last statement in BODY, as Emacs Lisp."
   (let* ((send-wait (lambda () (comint-send-input nil t) (sleep-for 0.005)))
 	 (dump-last-value
 	  (lambda