diff --git a/README.markdown b/README.markdown
index 904b9e0c..65f4c77d 100644
--- a/README.markdown
+++ b/README.markdown
@@ -114,6 +114,25 @@ Known Issues
 
 See [FAQ.md](https://github.com/wycats/handlebars.js/blob/master/FAQ.md) for known issues and common pitfalls.
 
+Running Tests
+---------
+
+To run tests locally, first install all dependencies.
+```
+npm install
+```
+
+Clone the mustache specs into the spec/mustache folder.
+```
+cd spec
+rm -r mustache
+git clone https://github.com/mustache/spec.git mustache
+```
+
+From the root directory, run the tests.
+```
+npm test
+```
 
 Handlebars in the Wild
 ----------------------
diff --git a/spec/mustache b/spec/mustache
index 72233f3f..83b07216 160000
--- a/spec/mustache
+++ b/spec/mustache
@@ -1 +1 @@
-Subproject commit 72233f3ffda9e33915fd3022d0a9ebbcce265acd
+Subproject commit 83b0721610a4e11832e83df19c73ace3289972b9