Fix typo Bronse->Bronze

bantic · eamodio · commit 934c15d2d2aa · 2018-05-17T02:54:43.000-04:00
diff --git a/README.md b/README.md
@@ -118,7 +118,7 @@ None yet &mdash; could be you!
 #### Silver Sponsors ($150+)
 None yet &mdash; could be you!
 
-#### Bronse Sponsors ($50+)
+#### Bronze Sponsors ($50+)
 
 - Michael Duffy
 
