[mlir] Fix hlo_ops docs.

PiperOrigin-RevId: 401409395
Change-Id: I6089a31c0ce425188408e4c56fddbf269823c13e
diff --git a/tensorflow/compiler/mlir/hlo/include/mlir-hlo/Dialect/mhlo/IR/hlo_ops.td b/tensorflow/compiler/mlir/hlo/include/mlir-hlo/Dialect/mhlo/IR/hlo_ops.td
index 98ba6ff..501c5c7 100644
--- a/tensorflow/compiler/mlir/hlo/include/mlir-hlo/Dialect/mhlo/IR/hlo_ops.td
+++ b/tensorflow/compiler/mlir/hlo/include/mlir-hlo/Dialect/mhlo/IR/hlo_ops.td
@@ -2364,7 +2364,8 @@
 
     ```
     %0 = mhlo.cstr_reshapable 12, [2, -1] -> success
-    %1 = mhlo.cstr_reshapable 13, [2, -1] -> failure ```
+    %1 = mhlo.cstr_reshapable 13, [2, -1] -> failure
+    ```
   }];
 
   let arguments = (ins Index:$num_elements, 1DTensorOf<[AnyInteger, Index]>:$dynamic_shape);