Fix some styling issues

configuration.org

@@ -1082,7 +1082,6 @@ And set up all the pretty symbols.
 ** Treat soft line breaks as hard ones in textual modes
 
 #+BEGIN_SRC emacs-lisp
-;; text-mode settings
 (add-hook 'text-mode-hook (lambda () (visual-line-mode t)))
 #+END_SRC
 
@@ -2258,7 +2257,7 @@ Then configure ~real-auto-save-mode~
 
 ** Electric case
 
-Insert snake_case and camelCase without using the Shift key.  It is automatically enabled in C
+Insert ~snake_case~ and ~camelCase~ without using the Shift key.  It is automatically enabled in C
 mode.
 
 #+BEGIN_SRC emacs-lisp