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src/docs/product/profiling/differential-flamegraphs.mdx

@@ -20,7 +20,9 @@ In a differential flamegraph, the color red means that a function's execution ti
 
 </Note>
 
-The guiding principle when interpreting differential flamegraphs is to look for red frames - they are the reason why your application code has been performing worse.
+Be on the lookout for red frames when interpreting differential flamegraphs. They're the reason why your application code has been performing worse.
+
+![Differential flamegraph lock contention](./differential-flamegraph.png)
 
 The differential flamegraph above has highlighted that the function call to `ModuleLock.acquire` has increased in duration, which hints at a lock contention problem which is now slowing down our code.