added hostname for Redis container & fixed table in mongoDB doc (#25)

* added hostname for Redis container & fixed table in mongoDB doc

* changed MongoDB to Redis

Author: ppaulis

docs/nosql/mongodb.md

@@ -43,7 +43,7 @@ Because MongoDB runs in a dedicated container, each version has a specific local
     <td>mongo 3.2.x</td><td>mongo32</td> 
   </tr> 
   <tr>
-    <td>mongo 3.4.x/td><td>mongo34</td> 
+    <td>mongo 3.4.x</td><td>mongo34</td> 
   </tr> 
 </table>
 

docs/nosql/redis.md

@@ -18,6 +18,14 @@ variable `CPHP_SERVICE_REDIS` with the desired Redis version as value to your pi
 E.g. if you need `Redis 5.0.7` in your Behat tests, go to the Testing Settings (step 2 of the Pipeline) and add the
 environment variable `CPHP_SERVICE_REDIS = 5.0.7` to the Behat configuration.
 
-## Connecting to Redis 
+## Connecting to Redis
+
+Because Redis runs in a dedicated container, each version has a specific local domain :
+
+<table>
+  <tr>
+    <td>Redis 5.0.7</td><td>redis507</td> 
+  </tr> 
+</table>
 
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