diff --git a/freqtrade/persistence/models.py b/freqtrade/persistence/models.py
index b06aab7df..f1f9a4e67 100644
--- a/freqtrade/persistence/models.py
+++ b/freqtrade/persistence/models.py
@@ -719,6 +719,9 @@ class PairLock(_DECL_BASE):
     def unlock_pair(pair: str, now: Optional[datetime] = None) -> None:
         """
         Release all locks for this pair.
+        :param pair: Pair to unlock
+        :param now: Datetime object (generated via datetime.now(timezone.utc)).
+            defaults to datetime.utcnow()
         """
         if not now:
             now = datetime.now(timezone.utc)
diff --git a/freqtrade/strategy/interface.py b/freqtrade/strategy/interface.py
index 36abfd05a..e6256cafb 100644
--- a/freqtrade/strategy/interface.py
+++ b/freqtrade/strategy/interface.py
@@ -286,6 +286,7 @@ class IStrategy(ABC):
         :param pair: Pair to lock
         :param until: datetime in UTC until the pair should be blocked from opening new trades.
                 Needs to be timezone aware `datetime.now(timezone.utc)`
+        :param reason: Optional string explaining why the pair was locked.
         """
         PairLock.lock_pair(pair, until, reason)