diff --git a/src/exercise/07.md b/src/exercise/07.md
index e2262c3db..fd8592003 100644
--- a/src/exercise/07.md
+++ b/src/exercise/07.md
@@ -123,6 +123,8 @@ In this extra credit, add tracing for the click of the counter.
 📜 This API is currently experimental and the best docs for it are available in
 [this gist](https://gist.github.com/bvaughn/8de925562903afd2e7a12554adcdda16).
 
+📜 The `Profiled interactions` tool within React DevTools, shown in the solution, has since been removed. Further details in [this github issue](https://github.com/facebook/react/issues/21286).
+
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