consistent naming

brian-brazil · brian-brazil · commit ce193a42595a · 2015-02-10T23:11:49.000Z
diff --git a/README.md b/README.md
@@ -71,7 +71,7 @@ with g.trackInprogress():
   pass
 ```
 
-### Summaries
+### Summary
 
 Summaries track the size and number of events.
 
