Merge "Update doc/source/command-objects/image.rst"

Author: Jenkins

doc/source/command-objects/image.rst

@@ -53,8 +53,7 @@ Create/upload an image
         [--min-ram <ram-mb>]
         [--location <image-url>]
         [--copy-from <image-url>]
-        [--file <file>]
-        [--volume <volume>]
+        [--file <file> | --volume <volume>]
         [--force]
         [--checksum <checksum>]
         [--protected | --unprotected]