Fix typo

README.org

@@ -3325,7 +3325,7 @@ v org-latex-subtitle-format)}}}, {{{kbd(C-h v org-latex-title-command)}}}, and
 exporting from Org-mode to LaTeX.
 
 #+caption[Define buffer local =ox-latex= variables]:
-#+caption: Define buffer local =-ox-latex= variables.
+#+caption: Define buffer local =ox-latex= variables.
 #+header: :var title-page=lst/title-page
 #+name: lst:ox-latex-emacs-lisp-setup
 #+begin_src emacs-lisp :results silent :tangle no
@@ -4968,11 +4968,11 @@ Listing [[lst:configure-browse-url]] configures =browse-url=.
     (start-process "mpv" nil "mpv" url))
 
   (defconst browse-url-mpv-regexp
-    (rx bos
-        (or "http://" "https://")
-        (or (or "www.youtube.com/" "youtu.be/" "soundcloud.com/")
+    (rx bos "http" (opt "s") "://"
+        (or (seq "youtu.be/")
+            (seq "www.youtube.com/" (or "embed/" "watch?"))
             (seq (+? nonl) (or ".mp4" ".webm") eos)))
-    "Match hyperlinks to browse with mpv.")
+    "Match hyperlinks to open with mpv.")
 
   (custom-set-variables
    `(browse-url-generic-program ,(or (when (eq system-type 'darwin) "open")