Document that cargo test --release uses profile.bench

diff --git a/src/doc/manifest.md b/src/doc/manifest.md
index 6dbed298ce0bbd552bfd85e95c1556b4df7004b6..3669a09a1cdf2d8a641a2b40754b27031f37b162 100644 (file)
--- a/src/doc/manifest.md
+++ b/src/doc/manifest.md
@@ -309,7 +309,7 @@ debug-assertions = true
 codegen-units = 1
 panic = 'unwind'
 
-# The benchmarking profile, used for `cargo bench`.
+# The benchmarking profile, used for `cargo bench` and `cargo test --release`.
 [profile.bench]
 opt-level = 3
 debug = false