docs: document Gallium SSE codegen for XPD bug fix
diff --git a/docs/relnotes-7.7.1.html b/docs/relnotes-7.7.1.html
index ce9c68f..b20c8a7 100644
--- a/docs/relnotes-7.7.1.html
+++ b/docs/relnotes-7.7.1.html
@@ -42,6 +42,7 @@
 <li>Fixed broken blending to multiple color buffers in swrast driver.
 <li>Allocate constants more tightly in GL_ARB_vertex/fragment parser.
 <li>Fixed mipmap generation bug caused by invalid viewport state.
+<li>Gallium SSE codegen for XPD didn't always work.
 </ul>