diff --git a/lib/std/crypto/benchmark.zig b/lib/std/crypto/benchmark.zig
index d9ea4b172a1fe7ce986d2102da85ea5d6a3dad5a..65e7ecb68014b815f462651c47575b3bde534e6c 100644
--- a/lib/std/crypto/benchmark.zig
+++ b/lib/std/crypto/benchmark.zig
@@ -1,4 +1,4 @@
-// zig run benchmark.zig --release-fast --zig-lib-dir ..
+// zig run -O ReleaseFast --zig-lib-dir ../.. benchmark.zig
 
 const std = @import("../std.zig");
 const builtin = std.builtin;
diff --git a/lib/std/crypto/blake3.zig b/lib/std/crypto/blake3.zig
index 6a2950645a3b300c50a2076c92884b5b3d7fc9ac..2e3f3f3c7bd6ab13a3a1afaafcd4ef38cddae4de 100644
--- a/lib/std/crypto/blake3.zig
+++ b/lib/std/crypto/blake3.zig
@@ -398,10 +398,10 @@ pub const Blake3 = struct {
         return Blake3.init_internal(context_key_words, DERIVE_KEY_MATERIAL);
     }
 
-    pub fn hash(in: []const u8, out: []u8, options: Options) void {
-        var hasher = Blake3.init(options);
-        hasher.update(in);
-        hasher.final(out);
+    pub fn hash(b: []const u8, out: []u8, options: Options) void {
+        var d = Blake3.init(options);
+        d.update(b);
+        d.final(out);
     }
 
     fn pushCv(self: *Blake3, cv: [8]u32) void {
diff --git a/lib/std/hash/benchmark.zig b/lib/std/hash/benchmark.zig
index b4952a926026ace769b405d7917ff090852a9423..d9865bcdd80b680dd62bd613a487f77c6a8b836a 100644
--- a/lib/std/hash/benchmark.zig
+++ b/lib/std/hash/benchmark.zig
@@ -1,4 +1,4 @@
-// zig run benchmark.zig --release-fast --zig-lib-dir ..
+// zig run -O ReleaseFast --zig-lib-dir ../.. benchmark.zig
 
 const builtin = std.builtin;
 const std = @import("std");