diff --git a/docs/dev/architecture.md b/docs/dev/architecture.md
index 3de1b99a57..721c555ab6 100644
--- a/docs/dev/architecture.md
+++ b/docs/dev/architecture.md
@@ -428,7 +428,7 @@ Rather than spawning futures or scheduling callbacks (open), the event loop acce
 It's easy to see all the things that trigger rust-analyzer processing, together with their performance
 
 rust-analyzer includes a simple hierarchical profiler (`hprof`).
-It is enabled with `RA_PROFILE='*>50` env var (log all (`*`) actions which take more than `50` ms) and produces output like:
+It is enabled with `RA_PROFILE='*>50'` env var (log all (`*`) actions which take more than `50` ms) and produces output like:
 
 ```
 85ms - handle_completion