diff --git a/docs/func.md b/docs/func.md
index 0e25d7bda..6ddd985b5 100644
--- a/docs/func.md
+++ b/docs/func.md
@@ -35,6 +35,11 @@ from talib import MA_Type
 upper, middle, lower = talib.BBANDS(close, matype=MA_Type.T3)
 ```
 
+Every `matype` argument (for example `STOCH`'s `slowk_matype` and
+`slowd_matype`) takes an `MA_Type` value. The integer defaults shown in the
+function docs are those values: `0` is `MA_Type.SMA`, and `MA_Type[n]` names
+value `n`.
+
 Calculating momentum of the close prices, with a time period of 5:
 
 ```python
diff --git a/docs/func_groups/momentum_indicators.md b/docs/func_groups/momentum_indicators.md
index 7db9fac82..adb48718f 100644
--- a/docs/func_groups/momentum_indicators.md
+++ b/docs/func_groups/momentum_indicators.md
@@ -193,6 +193,7 @@ smi, smisignal = SMI(high, low, close, timeperiod=13, fastperiod=2, slowperiod=2
 ```
 
 ### STOCH - Stochastic
+NOTE: `slowk_matype` and `slowd_matype` take an `MA_Type` value. See [STOCH](https://ta-lib.org/functions/stoch) for the formula.
 ```python
 slowk, slowd = STOCH(high, low, close, fastk_period=5, slowk_period=3, slowk_matype=0, slowd_period=3, slowd_matype=0)
 ```