Housekeeping (#100)

* Fix redis documentation link address

* Clean grammar and stray apostrophe characters

public/v2/apps/pgweb.json

@@ -13,13 +13,13 @@
     },
     "instructions": {
         "start": "pgweb is a web-based database browser for PostgreSQL, written in Go.",
-        "end": "'pgweb' is deployed."
+        "end": "pgweb is deployed."
     },
     "variables": [{
             "id": "$$cap_pgweb_version",
             "label": "pgweb Version",
             "defaultValue": "0.11.2",
-            "description": "Checkout their docker page for the valid tags https://hub.docker.com/r/sosedoff/pgweb/tags",
+            "description": "Check out their Docker page for the valid tags https://hub.docker.com/r/sosedoff/pgweb/tags",
             "validRegex": "/^([^\\s^\\/])+$/"
         }
     ]