corrected minor typo in inspect image doc

Author: ddsharpe

documentation/1.9/content/userguide/tools/inspect-image.md

@@ -17,7 +17,7 @@ Usage: imagetool inspect [OPTIONS]
 | --- | --- | --- |
 | `--builder`, `-b` | Executable to process the Dockerfile. Use the full path of the executable if not on your path. | `docker`  |
 | `--format` | The output format. Supported values: JSON | `JSON`  |
-| `--image`. `-i` | (Required) The image ID or image name to be inspected.  |   |
+| `--image`, `-i` | (Required) The image ID or image name to be inspected.  |   |
 | `--patches` | Include OPatch information in the output, including a list of WebLogic patches that are applied.  |   |
 
 #### Use an argument file