diff --git a/freqtrade/exchange/check_exchange.py b/freqtrade/exchange/check_exchange.py
index 1402e40cc..4c19c31f8 100644
--- a/freqtrade/exchange/check_exchange.py
+++ b/freqtrade/exchange/check_exchange.py
@@ -51,10 +51,12 @@ def check_exchange(config: Config, check_for_bad: bool = True) -> bool:
     if not valid:
         if check_for_bad:
             raise OperationalException(
-                f'Exchange "{exchange}"  will not work with Freqtrade. Reason: {reason}'
+                f'Exchange "{exchange}"  will not work with Freqtrade. Reason: {reason}.'
             )
         else:
-            logger.warning(f'Exchange "{exchange}"  will not work with Freqtrade. Reason: {reason}')
+            logger.warning(
+                f'Exchange "{exchange}"  will not work with Freqtrade. Reason: {reason}.'
+            )
 
     if MAP_EXCHANGE_CHILDCLASS.get(exchange, exchange) in SUPPORTED_EXCHANGES:
         logger.info(
diff --git a/freqtrade/exchange/common.py b/freqtrade/exchange/common.py
index f4a0592d3..36c1d8f97 100644
--- a/freqtrade/exchange/common.py
+++ b/freqtrade/exchange/common.py
@@ -36,12 +36,12 @@ API_RETRY_COUNT = 4
 API_FETCH_ORDER_RETRY_COUNT = 5
 
 BAD_EXCHANGES = {
-    "bitmex": "Various reasons.",
-    "probit": "Requires additional, regular calls to `signIn()`.",
-    "poloniex": "Does not provide fetch_order endpoint to fetch both open and closed orders.",
-    "kucoinfutures": "Unsupported futures exchange.",
-    "poloniexfutures": "Unsupported futures exchange.",
-    "binancecoinm": "Unsupported futures exchange.",
+    "bitmex": "Various reasons",
+    "probit": "Requires additional, regular calls to `signIn()`",
+    "poloniex": "Does not provide fetch_order endpoint to fetch both open and closed orders",
+    "kucoinfutures": "Unsupported futures exchange",
+    "poloniexfutures": "Unsupported futures exchange",
+    "binancecoinm": "Unsupported futures exchange",
 }
 
 MAP_EXCHANGE_CHILDCLASS = {