Fix typos and some grammar

subjects/forum/audit/README.md

@@ -56,27 +56,27 @@
 
 ###### Does the project have Dockerfiles?
 
-##### Try to run the command `"docker image build [OPTINS] PATH | URL | -"` to build the image using using the project Dockerfiles and run the command `"docker images"` to see images.
+##### Try to run the command `"docker image build [OPTINS] PATH | URL | -"` to build the image using the project Dockerfiles and run the command `"docker images"` to see images.
 
 ```
 student$ docker images
 REPOSITORY              TAG                             IMAGE ID            CREATED             SIZE
 <name of the image>     latest                          85a65d66ca39        7 seconds ago       795MB
 ```
 
-###### Does all images build as above?
+###### Did all images build as above?
 
 ##### Try running the command `"docker container run [OPTIONS] IMAGE [COMMAND] [ARG...]"` to start the containers using the images just created and run the command `"docker ps -a"` to see containers.
 
 ```
 student$ docker ps -a
 CONTAINER ID        IMAGE                  COMMAND                  CREATED             STATUS              PORTS                    NAMES
-cc8f5dcf760f        <name of the image>    "./server"               6 seconds ago       Up 6 seconds        0.0.0.0:8080->8080/tcp   ascii-art-web
+cc8f5dcf760f        <name of the image>    "./server"               6 seconds ago       Up 6 seconds        0.0.0.0:8080->8080/tcp   forum
 ```
 
-###### Is the docker containers running as above?
+###### Are the Docker containers running as above?
 
-###### Does the project present no [unused object](https://docs.docker.com/config/pruning/)?
+###### Does the project have no [unused objects](https://docs.docker.com/config/pruning/)?
 
 #### Functional