docs - use plcontainer image-list to display images
<codeblock>plcontainer image-add -f /home/gpadmin/plcontainer-python-images-1.0.0.tar.gz</codeblock></p>
<p>The utility displays progress information as it installs the Docker image on the Greenplum
Database hosts. </p>
- <p>Use the <codeph>plcontainer image-show</codeph> command to display the installed Docker
+ <p>Use the <codeph>plcontainer image-list</codeph> command to display the installed Docker
images on the local host.</p>
<p>This command adds information to the PL/Container configuration file so that PL/Container
can access the Docker image to create a Docker
