correct reference to number of containers

Signed-off-by: carehart <charlie@carehart.org>

apache-php/README.md

@@ -37,7 +37,7 @@ Creating php-docker_web_1 ... done
 
 ## Expected result
 
-Listing containers must show two containers running and the port mapping as below:
+Listing containers must show one container running and the port mapping as below:
 ```
 $ docker ps
 CONTAINER ID        IMAGE                        COMMAND                  CREATED             STATUS              PORTS                  NAMES

django/README.md

@@ -37,7 +37,7 @@ Creating django_web_1 ... done
 
 ## Expected result
 
-Listing containers must show two containers running and the port mapping as below:
+Listing containers must show one container running and the port mapping as below:
 ```
 $ docker ps
 CONTAINER ID        IMAGE               COMMAND                  CREATED              STATUS              PORTS                    NAMES

flask/README.md

@@ -37,7 +37,7 @@ Creating flask_web_1 ... done
 
 ## Expected result
 
-Listing containers must show two containers running and the port mapping as below:
+Listing containers must show one container running and the port mapping as below:
 ```
 $ docker ps
 CONTAINER ID        IMAGE                        COMMAND                  CREATED             STATUS              PORTS                  NAMES

nginx-flask-mongo/README.md

@@ -50,7 +50,7 @@ Creating nginx-flask-mongo_web_1     ... done
 
 ## Expected result
 
-Listing containers must show two containers running and the port mapping as below:
+Listing containers must show three containers running and the port mapping as below:
 ```
 $ docker ps
 CONTAINER ID        IMAGE                        COMMAND                  CREATED             STATUS              PORTS                  NAMES

nginx-flask-mysql/README.md

@@ -48,7 +48,7 @@ Creating nginx-flask-mysql_proxy_1   ... done
 
 ## Expected result
 
-Listing containers must show two containers running and the port mapping as below:
+Listing containers must show three containers running and the port mapping as below:
 ```
 $ docker ps
 CONTAINER ID        IMAGE                       COMMAND                  CREATED             STATUS              PORTS                    NAMES

nginx-golang-mysql/README.md

@@ -55,7 +55,7 @@ Creating nginx-golang-mysql_proxy_1   ... done
 
 ## Expected result
 
-Listing containers must show two containers running and the port mapping as below:
+Listing containers must show three containers running and the port mapping as below:
 ```
 $ docker ps
 CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                  NAMES

nginx-golang-postgres/README.md

@@ -54,7 +54,7 @@ Creating nginx-golang-postgres_proxy_1   ... done
 
 ## Expected result
 
-Listing containers must show two containers running and the port mapping as below:
+Listing containers must show three containers running and the port mapping as below:
 ```
 $ docker ps
 CONTAINER ID        IMAGE                           COMMAND                  CREATED             STATUS              PORTS                NAMES

sparkjava/README.md

@@ -40,7 +40,7 @@ Creating sparkjava_sparkjava_1 ... done
 
 ## Expected result
 
-Listing containers must show two containers running and the port mapping as below:
+Listing containers must show one container running and the port mapping as below:
 ```
 $ docker ps
 CONTAINER ID        IMAGE                 COMMAND                  CREATED             STATUS              PORTS                  NAMES

vuejs/README.md

@@ -42,7 +42,7 @@ Creating vuejs_web_1 ... done
 
 ## Expected result
 
-Listing containers must show two containers running and the port mapping as below:
+Listing containers must show one container running and the port mapping as below:
 ```
 $ docker ps
 CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                  NAMES