diff --git a/mlir/include/mlir/Dialect/NVGPU/IR/NVGPU.td b/mlir/include/mlir/Dialect/NVGPU/IR/NVGPU.td
--- a/mlir/include/mlir/Dialect/NVGPU/IR/NVGPU.td
+++ b/mlir/include/mlir/Dialect/NVGPU/IR/NVGPU.td
@@ -336,7 +336,7 @@
     The `nvgpu.device_async_wait` op will block the execution thread until the group
     associated with the source token is fully completed.
 
-    The optional `$numGroup` attribute gives a lower bound of the number of
+    The optional `$numGroup` attribute gives an upper bound of the number of
     groups uncompleted when the wait can unblock the thread.
 
     Example: