diff --git a/gpu/src/CommandBuffer.zig b/gpu/src/CommandBuffer.zig
index b3b39b87..9a665d1e 100644
--- a/gpu/src/CommandBuffer.zig
+++ b/gpu/src/CommandBuffer.zig
@@ -23,9 +23,14 @@ pub inline fn setLabel(buf: CommandBuffer, label: [:0]const u8) void {
     buf.vtable.setLabel(buf.ptr, label);
 }
 
+pub const Descriptor = struct {
+    label: ?[*:0]const u8 = null,
+};
+
 test "syntax" {
     _ = VTable;
     _ = reference;
     _ = release;
     _ = setLabel;
+    _ = Descriptor;
 }
diff --git a/gpu/src/TODO b/gpu/src/TODO
index 2fe8e5b6..cfdd6480 100644
--- a/gpu/src/TODO
+++ b/gpu/src/TODO
@@ -22,11 +22,6 @@ typedef struct WGPUChainedStructOut {
 
 
 
-typedef struct WGPUCommandBufferDescriptor {
-    WGPUChainedStruct const * nextInChain;
-    char const * label;
-} WGPUCommandBufferDescriptor;
-
 typedef struct WGPUCommandEncoderDescriptor {
     WGPUChainedStruct const * nextInChain;
     char const * label;