docs: detect when too many varying vars are used
diff --git a/docs/relnotes-7.5.html b/docs/relnotes-7.5.html
index d0dba30..0456921 100644
--- a/docs/relnotes-7.5.html
+++ b/docs/relnotes-7.5.html
@@ -69,6 +69,7 @@
 <li>Updated SPARC assembly optimizations (David S. Miller)
 <li>Initial support for separate compilation units in GLSL compiler.
 <li>Increased max number of generic GLSL varying variables to 16 (formerly 8).
+<li>GLSL linker now detects when too many varying variables are used.
 </ul>