[HIP] Few more updates to the returned error string

Author: pruthvistony

torch/testing/_internal/distributed/nn/api/remote_module_test.py

@@ -615,7 +615,7 @@ def test_invalid_devices(self):
 
         if TEST_WITH_ROCM:
             errorString = (r"HIP error: invalid device ordinal\n"
-                          r"HIP kernel errors might be asynchronously reported at some other API call,so the stacktrace below might be incorrect.\n"
+                          r"HIP kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect.\n"
                           r"For debugging consider passing AMD_SERIALIZE_KERNEL=3.")
         else:
             errorString = r"CUDA error: invalid device ordinal"