diff --git a/doc/langref.html.in b/doc/langref.html.in
index e016ef13f8..71d99b3aae 100644
--- a/doc/langref.html.in
+++ b/doc/langref.html.in
@@ -9565,9 +9565,10 @@ pub fn build(b: *std.Build) void {
This causes these options to be available:
- - -Drelease-safe=[bool]
- Optimizations on and safety on
- - -Drelease-fast=[bool]
- Optimizations on and safety off
- - -Drelease-small=[bool]
- Size optimizations on and safety off
+ - -Doptimize=Debug
- Optimizations off and safety on (default)
+ - -Doptimize=ReleaseSafe
- Optimizations on and safety on
+ - -Doptimize=ReleaseFast
- Optimizations on and safety off
+ - -Doptimize=ReleaseSmall
- Size optimizations on and safety off
{#header_open|Debug#}
{#shell_samp#}$ zig build-exe example.zig{#end_shell_samp#}