diff --git a/pandas_ta/overlap/supertrend.py b/pandas_ta/overlap/supertrend.py
index de022ce..ad4b9a7 100644
--- a/pandas_ta/overlap/supertrend.py
+++ b/pandas_ta/overlap/supertrend.py
@@ -18,7 +18,7 @@ def supertrend(high, low, close, length=None, multiplier=None, offset=None, **kw
 
     # Calculate Results
     m = close.size
-    dir_, trend = [0] * m, [0] * m
+    dir_, trend = [1] * m, [0] * m
     long, short = [npNaN] * m, [npNaN] * m
 
     hl2_ = hl2(high, low)
@@ -82,7 +82,9 @@ Sources:
 Calculation:
     Default Inputs:
         length=7, multiplier=3.0
-    
+    Default Direction:
+	Set to +1 or bullish trend at start
+
     MID = multiplier * ATR
     LOWERBAND = HL2 - MID
     UPPERBAND = HL2 + MID
diff --git a/pandas_ta/volume/cmf.py b/pandas_ta/volume/cmf.py
index 03ad4cd..f259a53 100644
--- a/pandas_ta/volume/cmf.py
+++ b/pandas_ta/volume/cmf.py
@@ -68,8 +68,8 @@ Args:
     high (pd.Series): Series of 'high's
     low (pd.Series): Series of 'low's
     close (pd.Series): Series of 'close's
-    open (pd.Series): Series of 'open's
     volume (pd.Series): Series of 'volume's
+    open (pd.Series): Series of 'open's. Default: None
     length (int): The short period.  Default: 20
     offset (int): How many periods to offset the result.  Default: 0
 
@@ -79,4 +79,4 @@ Kwargs:
 
 Returns:
     pd.Series: New feature generated.
-"""
\ No newline at end of file
+"""