diff --git a/api/appendix_e.asciidoc b/api/appendix_e.asciidoc
index 2bec7aeb..c88b8093 100644
--- a/api/appendix_e.asciidoc
+++ b/api/appendix_e.asciidoc
@@ -521,7 +521,7 @@ Changes from *v3.0.9*:
   * Clarified that {clCompileProgram} is valid for programs created from SPIR.
   * Documented the possible state of a kernel object after a failed call to {clSetKernelArg}.
   * Added new extensions:
-      ** `<<cl_khr_async_copy_fence>>` (final)
+      ** `<<cl_khr_async_work_group_copy_fence>>` (final)
       ** `<<cl_khr_extended_async_copies>>` (final)
       ** `<<cl_khr_expect_assume>>`
       ** `<<cl_khr_command_buffer>>` (provisional)