Update .changeset/fluffy-days-study.md

Author: kanej

.changeset/fluffy-days-study.md

@@ -2,4 +2,4 @@
 "hardhat": patch
 ---
 
-Added call traces support for solidity tests. Call traces can be enabled via the `-vvvv` verbosity level flag.
+Added call traces support for solidity tests; call traces can be enabled via the `-vvvv` verbosity level flag ([#6830](https://github.com/NomicFoundation/hardhat/issues/6830))