Minor tweak to build -f text to make it clear Dockerfile is in context
Closes
@@ -508,7 +508,7 @@ is returned by the `docker attach` command to its caller too:
Build a new image from the source code at PATH
- -f, --file="" Name of the Dockerfile(Default is 'Dockerfile')
+ -f, --file="" Name of the Dockerfile (Default is 'PATH/Dockerfile')
--force-rm=false Always remove intermediate containers
--no-cache=false Do not use cache when building the image
--pull=false Always attempt to pull a newer version of the image
