diff --git a/src/transformers/benchmark/benchmark_utils_generic.py b/src/transformers/benchmark/benchmark_utils_generic.py
index 8cb5a4da8c..fcf36ff927 100644
--- a/src/transformers/benchmark/benchmark_utils_generic.py
+++ b/src/transformers/benchmark/benchmark_utils_generic.py
@@ -102,6 +102,7 @@ class BenchMark:
 
 
 class SpeedBenchMark(BenchMark):
+    """A simple class used to benchmark the running time of a callable."""
     def _measure(self, func, number=3, repeat=1):
         self._buffer["measure_kwargs"]["number"] = number
         self._buffer["measure_kwargs"]["repeat"] = repeat