diff --git a/docs/cli-reference/sns/quill-sns-make-upgrade-canister-proposal.mdx b/docs/cli-reference/sns/quill-sns-make-upgrade-canister-proposal.mdx
index 1669437..0df5a26 100644
--- a/docs/cli-reference/sns/quill-sns-make-upgrade-canister-proposal.mdx
+++ b/docs/cli-reference/sns/quill-sns-make-upgrade-canister-proposal.mdx
@@ -30,6 +30,7 @@ quill sns make-upgrade-canister-proposal <PROPOSER_NEURON_ID> --target-canister-
 
 | Option                                      | Description                                                                           |
 |---------------------------------------------|---------------------------------------------------------------------------------------|
+| `--canister-upgrade-arg <ARG>`              | Argument to post-upgrade method of the new canister WASM.                             |
 | `--canister-upgrade-arg-path <PATH>`        | Path to the file containing argument to post-upgrade method of the new canister WASM. |
 | `--summary <SUMMARY>`                       | Summary of the proposal.                                                              |
 | `--target-canister-id <TARGET_CANISTER_ID>` | Canister to be upgraded.                                                              |