Fix extension # listing
diff --git a/extensions/NV/NV_vdpau_interop2.txt b/extensions/NV/NV_vdpau_interop2.txt
index 334f5a4..45c371c 100644
--- a/extensions/NV/NV_vdpau_interop2.txt
+++ b/extensions/NV/NV_vdpau_interop2.txt
@@ -25,7 +25,7 @@
 
 Number
 
-    593
+    OpenGL Extension #593
 
 Dependencies