Fix comment typo

* ox-latex.el (org-latex--text-markup): Replace newlines by
whitespaces in \verb constructs.

lisp/ox-latex.el

@@ -1067,7 +1067,7 @@ See `org-latex-text-markup-alist' for details."
     (cond
      ;; No format string: Return raw text.
      ((not fmt) text)
-     ;; Handle the `verb' special case: Find and appropriate separator
+     ;; Handle the `verb' special case: Find an appropriate separator
      ;; and use "\\verb" command.
      ((eq 'verb fmt)
       (let ((separator (org-latex--find-verb-separator text)))