@@ -275,12 +275,12 @@ image that you just pulled, make a change to it, and build a new image based on

 command.

 1. In an empty directory, create a simple `Dockerfile` that starts with the 

-2. ubuntu:15.04 image.

+   ubuntu:15.04 image.

         FROM ubuntu:15.04

 2. Add a new file called "newfile" in the image's `/tmp` directory with the 

-3. text "Hello world" in it.

+   text "Hello world" in it.

     When you are done, the `Dockerfile` contains two lines:

@@ -291,7 +291,7 @@ command.

 3. Save and close the file.

 4. From a terminal in the same folder as your `Dockerfile`, run the following 

-5. command:

+   command:

         $ docker build -t changed-ubuntu .

         Sending build context to Docker daemon 2.048 kB

@@ -310,14 +310,14 @@ command.

     The output above shows a new image with image ID `94e6b7d2c720`.

 5. Run the `docker images` command to verify the new `changed-ubuntu` image is 

-6. in the Docker host's local storage area.

+   in the Docker host's local storage area.

         REPOSITORY       TAG      IMAGE ID       CREATED           SIZE

         changed-ubuntu   latest   03b964f68d06   33 seconds ago    131.4 MB

         ubuntu           15.04    013f3d01d247   6 weeks ago       131.3 MB

 6. Run the `docker history` command to see which image layers were used to 

-7. create the new `changed-ubuntu` image.

+   create the new `changed-ubuntu` image.

         $ docker history changed-ubuntu

         IMAGE               CREATED              CREATED BY                                      SIZE        COMMENT