Fix code fences

content/elsewhere/protip-timewithzone-all-the-time/index.md

@@ -14,7 +14,7 @@ in Rails:
 => #<Goal id: 1, description: "Run a mile", created_at: "2008-09-09 19:32:57", updated_at: "2008-09-09 19:32:57">
 >> Goal.find(:all, :conditions => ['created_at < ?', Time.now])
 => []
-````
+```
 
 Huh? Checking the logs, we see that the two commands above correspond to
 the following queries:
@@ -22,7 +22,7 @@ the following queries:
 ```sql
 INSERT INTO "goals" ("updated_at", "description", "created_at") VALUES('2008-09-09 19:32:57', 'Run a mile', '2008-09-09 19:32:57')
 SELECT * FROM "goals" WHERE created_at < '2008-09-09 15:33:17'
-````
+```
 
 Rails stores `created_at` relative to [Coordinated Universal
 Time](https://en.wikipedia.org/wiki/Coordinated_Universal_Time), while