Fix cli doc

docs/user/cli.rst

@@ -9,11 +9,11 @@ You can print the help for the interface by typing ``camelot --help`` in your fa
 
 ::
 
-Usage: camelot [OPTIONS] COMMAND [ARGS]...
+  Usage: camelot [OPTIONS] COMMAND [ARGS]...
 
     Camelot: PDF Table Extraction for Humans
 
-Options:
+  Options:
     --version                       Show the version and exit.
     -p, --pages TEXT                Comma-separated page numbers. Example: 1,3,4
                                     or 1,4-end.
@@ -31,6 +31,6 @@ Options:
     -q, --quiet                     Suppress warnings.
     --help                          Show this message and exit.
 
-Commands:
+  Commands:
     lattice  Use lines between text to parse the table.
     stream   Use spaces between text to parse the table.