diff --git a/freqtrade/plugins/pairlist/MarketCapPairList.py b/freqtrade/plugins/pairlist/MarketCapPairList.py
index 37c8c3c8b..8bd425c32 100644
--- a/freqtrade/plugins/pairlist/MarketCapPairList.py
+++ b/freqtrade/plugins/pairlist/MarketCapPairList.py
@@ -53,7 +53,7 @@ class MarketCapPairList(IPairList):
             for category in self._categories:
                 if category not in category_ids:
                     raise OperationalException(
-                        f"category {category} not in coingecko category list. "
+                        f"Category {category} not in coingecko category list. "
                         f"You can choose from {category_ids}"
                     )
 
diff --git a/tests/plugins/test_pairlist.py b/tests/plugins/test_pairlist.py
index aa1872cd1..6c58acd68 100644
--- a/tests/plugins/test_pairlist.py
+++ b/tests/plugins/test_pairlist.py
@@ -2455,7 +2455,7 @@ def test_MarketCapPairList_exceptions(mocker, default_conf_usdt):
         }
     ]
     with pytest.raises(
-        OperationalException, match="category layer250 not in coingecko category list."
+        OperationalException, match="Category layer250 not in coingecko category list."
     ):
         PairListManager(exchange, default_conf_usdt)