Update doc wording

chinyeungli · chinyeungli · commit 16a24ca943f8 · 2021-10-05T11:33:59.000+08:00
Signed-off-by: Chin Yeung Li &lt;tli@nexb.com&gt;
diff --git a/docs/source/reference.rst b/docs/source/reference.rst
@@ -269,7 +269,7 @@ Options
                                                     api_key - DejaCode API key
                                                     Example syntax:
 
-                                                    about gen --fetch-license-djc URL KEY
+                                                    about gen --fetch-license-djc api_url api_key
                 --reference PATH                    Path to a directory with reference license
                                                     data and text files.
                 -q, --quiet                         Do not print any error/warning.
