Small documentation fixes.

init.el

@@ -1,5 +1,5 @@
 ;;; init.el --- tastytea's Emacs init file.
-;; Time-stamp: <2019-04-13T02:49:34+00:00>
+;; Time-stamp: <2019-04-13T18:37:55+00:00>
 
 ;;; Commentary:
 ;; I am using this file with Emacs 26, but most of it will probably work with
@@ -323,7 +323,7 @@ With argument, do this that many times."
   (c-default-style "tastytea"))
 
 (unless slow-computer
-  ;; irony communicates with a clang-server.
+  ;; irony communicates with a clang-server. It needs compile_commands.json.
   (use-package irony
     :after yasnippet
     :hook
@@ -331,7 +331,7 @@ With argument, do this that many times."
     (c-mode          . irony-mode)
     (irony-mode      . irony-cdb-autosetup-compile-options)
     :config
-    ;; If irony server was never installed, install it.
+    ;; If irony server is not installed, install it.
     (unless (irony--find-server-executable)
       (call-interactively #'irony-install-server)))
 
@@ -341,7 +341,7 @@ With argument, do this that many times."
     :hook
     (irony-mode . irony-eldoc))
 
-                                        ; Syntax checker.
+  ;; Syntax checker.
   (use-package flycheck-irony
     :after (flycheck irony)
     :hook
@@ -675,7 +675,7 @@ With argument, do this that many times."
 ;; Delete old buffers.
 ;; https://www.emacswiki.org/emacs/CleanBufferList
 (use-package midnight
-  :defer 5
+  :defer 10
   :init
   (setq midnight-delay 30                     ; 30 seconds after "midnight"
         midnight-period (* 2 60 60))          ; Clean every 2 hours.
@@ -684,7 +684,7 @@ With argument, do this that many times."
   (clean-buffer-list-delay-special (* 30 60)) ; Clean special bufs after 30m.
   :config
   (setq clean-buffer-list-kill-regexps        ; Add these to special buffers.
-          (nconc clean-buffer-list-kill-regexps
+        (nconc clean-buffer-list-kill-regexps
                '("\\`magit-?.*:"
                  "\\.log\\'"
                  "\\`'\\*rdm\\*\\'")))