Removed excess o in Facebook (#34)

exampleSite/config.toml

@@ -18,7 +18,7 @@ enableRobotsTXT = true
 
 [params]
   description = "The last theme you'll ever need. Maybe."
-  faceboook = ""
+  facebook = ""
   twitter = "https://twitter.com/GoHugoIO"
   instagram = ""
   youtube = ""