diff --git a/docs/relnotes/19.3.0.html b/docs/relnotes/19.3.0.html
index 44d0fcd58e4..6a0a2113921 100644
--- a/docs/relnotes/19.3.0.html
+++ b/docs/relnotes/19.3.0.html
@@ -29,6 +29,11 @@ Some drivers don't support all the features required in OpenGL 4.6.  OpenGL
 4.6 is <strong>only</strong> available if requested at context creation.
 Compatibility contexts may report a lower version depending on each driver.
 </p>
+<p>
+Mesa 19.3.0 implements the Vulkan 1.1 API, but the version reported by
+the apiVersion property of the VkPhysicalDeviceProperties struct
+depends on the particular driver being used.
+</p>
 
 <h2>SHA256 checksums</h2>
 <pre>