mathjax readme tweak

diff --git a/README.md b/README.md
index a97546c53f503ce8c548544133d68c45943dedb2..57355ebbab4dc289ad82dd09127c0425ccca763a 100644 (file)
--- a/README.md
+++ b/README.md
@@ -734,7 +734,7 @@ Reveal.initialize({
 });
 ```
 
-Read MathJax's documentation if you want [secure delivery](http://docs.mathjax.org/en/latest/start.html#secure-access-to-the-cdn) or serve [specific versons](http://docs.mathjax.org/en/latest/configuration.html#loading-mathjax-from-the-cdn) for stabilty.
+Read MathJax's documentation if you need [HTTPS delivery](http://docs.mathjax.org/en/latest/start.html#secure-access-to-the-cdn) or serving of [specific versions](http://docs.mathjax.org/en/latest/configuration.html#loading-mathjax-from-the-cdn) for stability.
 
 
 ## Installation