Apply suggestions from code review

Co-authored-by: Timothy Pansino <[email protected]>

Author: hmstepanek

src/content/docs/release-notes/agent-release-notes/python-release-notes/python-agent-100300.mdx

@@ -42,7 +42,7 @@ Install the agent using `easy_install/pip/distribute` via the [Python Package In
 
 * Minor cleanup of HTTPX instrumentation
 
-  * Some minor cleanup was done of the HTTPX instrumentation.
+  * Some minor cleanup was done in the HTTPX instrumentation.
 
 * Validate HTTP/2 support