Fix typo in error grouping description

Author: pilimartinez

detect/testing/playwright-reporter-changelog.mdx

@@ -16,7 +16,7 @@ Learn more about:
 <Update label="v1.10.0" tags={["April 2026"]}>
   **Added**
 
-  - **Error grouping for reporter sessions** — Failed tests now automatically create error groups in Checkly, making it easier to identify and track recurring failures across runs. Errors are extracted from the Playwright report and grouped by similarity, matching the behavior of CLI-triggered runs.
+  - **Error grouping for reporter results** — Failed tests now automatically create error groups in Checkly, making it easier to identify and track recurring failures across runs. Errors are extracted from the Playwright report and grouped by similarity, matching the behavior of CLI-triggered runs.
 </Update>
 
 <Update label="v1.9.0" tags={["March 2026"]}>