Corrected typo

Signed-off-by: Chin Yeung Li <[email protected]>

Author: chinyeungli

docs/source/cli-reference/synopsis.rst

@@ -98,7 +98,7 @@ option.
 JSON file output
 ^^^^^^^^^^^^^^^^
 
-Scan the ``samples`` directory and save the scan to a JSON file (pretty-printed):::
+Scan the ``samples`` directory and save the scan to a JSON file (pretty-printed)::
 
     scancode -clpieu --json-pp output.json samples