Fix formatting of code blocks

Author: zachlatta

README.md

@@ -35,24 +35,28 @@ can get to the page that allows you to `Extend Access Token`
 Example: If I want to look back to last month, daysBack = 60 and daysForward
 = 30. If I want to look at this week, daysBack = 7 and daysForward = 7.
 
- `curl -X POST \
+```sh
+curl -X POST \
   -H "X-Parse-Application-Id: _PARSEAPPID_" \
   -H "X-Parse-REST-API-Key: _PARSEAPIKEY_" \
   -H "Content-Type: application/json" \
   -d '{"daysBack": _daysBack_, "daysForward": _daysForwardFromThere_}' \
-  https://api.parse.com/1/functions/countItems`
+  https://api.parse.com/1/functions/countItems
+```
 
 #### Exact Range - (Start Date, End Date)
 
 Specify the specific range to get a count. startDate and endDate are both
 [Javascript Date Objects](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date).
 
- `curl -X POST \
+```sh
+curl -X POST \
   -H "X-Parse-Application-Id: _PARSEAPPID_" \
   -H "X-Parse-REST-API-Key: _PARSEAPIKEY_" \
   -H "Content-Type: application/json" \
   -d '{"beginDate": _startDate_, "endDate": _endDate_}' \
-  https://api.parse.com/1/functions/countItemsWithDateRanges`
+  https://api.parse.com/1/functions/countItemsWithDateRanges
+```
 
 You can find your _PARSEAPPID_ and _PARSEAPIKEY_ in your Parse dashboard for
 your App.