@@ -182,6 +182,10 @@ commands using a base image that does not contain `/bin/sh`.

 > passing in the desired shell. For example,

 > `RUN ["/bin/bash", "-c", "echo hello"]`

+> **Note**:

+> The *exec* form is parsed as a JSON array, which means that

+> you must use double-quotes (") around words not single-quotes (').

+

 The cache for `RUN` instructions isn't invalidated automatically during

 the next build. The cache for an instruction like `RUN apt-get

 dist-upgrade -y` will be reused during the next build.  The cache for

@@ -219,6 +223,10 @@ instruction as well.

 > instruction, both the `CMD` and `ENTRYPOINT` instructions should be specified 

 > with the JSON array format.

+> **Note**:

+> The *exec* form is parsed as a JSON array, which means that

+> you must use double-quotes (") around words not single-quotes (').

+

 When used in the shell or exec formats, the `CMD` instruction sets the command

 to be executed when running the image.

@@ -435,6 +443,10 @@ optional but default, you could use a `CMD` instruction:

     ENTRYPOINT ["ls"]

 > **Note**:

+> The *exec* form is parsed as a JSON array, which means that

+> you must use double-quotes (") around words not single-quotes (').

+

+> **Note**:

 > It is preferable to use the JSON array format for specifying

 > `ENTRYPOINT` instructions.

@@ -449,6 +461,10 @@ string, `VOLUME /var/log`. For more information/examples and mounting

 instructions via the Docker client, refer to [*Share Directories via Volumes*](

 /userguide/dockervolumes/#volume-def) documentation.

+> **Note**:

+> The list is parsed a JSON array, which means that

+> you must use double-quotes (") around words not single-quotes (').

+

 ## USER

     USER daemon