diff --git a/Performance.md b/Performance.md
index 6fc840c..f48bf11 100644
--- a/Performance.md
+++ b/Performance.md
@@ -26,7 +26,7 @@
 - `O3` level compiler optimization
 - 0-warning statically-analyzed code (forced `-Wall -Wextra -Werror` in CI)
 
-#### Discarded optimization options:
+#### Rejected optimization options:
 
 - replace quicksort with a more aggressive algorithm (favor space over time complexity)
   - usually not perceptible by human beings