diff --git a/pytorch_lightning/core/memory.py b/pytorch_lightning/core/memory.py
index de551cabd30df8..d8421086e3008e 100644
--- a/pytorch_lightning/core/memory.py
+++ b/pytorch_lightning/core/memory.py
@@ -330,7 +330,7 @@ def _format_summary_table(total_parameters: int, trainable_parameters: int, mode
     summary += "\n" + s.format(get_human_readable_count(total_parameters), 10)
     summary += "Total params"
     summary += "\n" + s.format(get_formatted_model_size(model_size), 10)
-    summary += "Total Estimated Params Size (MB)"
+    summary += "Total estimated model params size (MB)"
 
     return summary