docs: Update features.txt and relnotes for GL_ARB_transform_feedback2
diff --git a/docs/features.txt b/docs/features.txt
index 5905dba..01315a0 100644
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -132,7 +132,7 @@
   GL_ARB_texture_cube_map_array                         DONE (i965/gen6+, nv50, llvmpipe, softpipe)
   GL_ARB_texture_gather                                 DONE (i965/gen6+, nv50, llvmpipe, softpipe, swr)
   GL_ARB_texture_query_lod                              DONE (i965, nv50, softpipe)
-  GL_ARB_transform_feedback2                            DONE (i965/gen7+, nv50, llvmpipe, softpipe, swr)
+  GL_ARB_transform_feedback2                            DONE (i965/gen6+, nv50, llvmpipe, softpipe, swr)
   GL_ARB_transform_feedback3                            DONE (i965/gen7+, llvmpipe, softpipe, swr)