diff --git a/gpu/src/CommandEncoder.zig b/gpu/src/CommandEncoder.zig
index d782b5db..3ee71d00 100644
--- a/gpu/src/CommandEncoder.zig
+++ b/gpu/src/CommandEncoder.zig
@@ -40,8 +40,13 @@ pub inline fn setLabel(enc: CommandEncoder, label: [:0]const u8) void {
     enc.vtable.setLabel(enc.ptr, label);
 }
 
+pub const Descriptor = struct {
+    label: ?[*:0]const u8 = null,
+};
+
 test "syntax" {
     _ = VTable;
     _ = reference;
     _ = release;
+    _ = Descriptor;
 }
diff --git a/gpu/src/TODO b/gpu/src/TODO
index cfdd6480..822e4158 100644
--- a/gpu/src/TODO
+++ b/gpu/src/TODO
@@ -22,11 +22,6 @@ typedef struct WGPUChainedStructOut {
 
 
 
-typedef struct WGPUCommandEncoderDescriptor {
-    WGPUChainedStruct const * nextInChain;
-    char const * label;
-} WGPUCommandEncoderDescriptor;
-
 typedef struct WGPUDawnCacheDeviceDescriptor {
     WGPUChainedStruct chain;
     char const * isolationKey;