diff --git a/single-page.bs b/single-page.bs
index 1abdbfc6bc..aafc2b290e 100644
--- a/single-page.bs
+++ b/single-page.bs
@@ -167,6 +167,8 @@ url: https://www.w3.org/TR/css-style-attr/#syntax; type: dfn; spec: css-style-at
     text: style attribute
 url: https://www.khronos.org/registry/webgl/specs/1.0/#WEBGLRENDERINGCONTEXT; type: interface; spec: webgl;
     text: WebGLRenderingContext
+url: https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7; type: interface; spec: webgl2;
+    text: WebGL2RenderingContext
 url: https://www.w3.org/TR/jlreq/#positioning_of_jukugoruby; type: dfn; spec: jlreq;
     text: jukugo ruby rendering
 url: https://w3c.github.io/using-aria/; type: dfn; spec: using-aria;