podman-import.1.md: fix paragraph formatting
@@ -22,6 +22,7 @@ Note: `:` is a restricted character and cannot be part of the file name.
Apply the following possible instructions to the created image:
**CMD** | **ENTRYPOINT** | **ENV** | **EXPOSE** | **LABEL** | **STOPSIGNAL** | **USER** | **VOLUME** | **WORKDIR**
+
Can be set multiple times
**--message**, **-m**=*message*
