diff --git a/strategies/overnight/README.md b/strategies/overnight/README.md
index 3bbf705..0560475 100644
--- a/strategies/overnight/README.md
+++ b/strategies/overnight/README.md
@@ -7,4 +7,10 @@ This strategy was taken from chapter 7 of [Short Term Trading Strategies That Wo
 1. Go long SPY on the close.
 2. Sell on the following open.
 
+## Parameters
+
+**Use Trend Filter**: Whether to use a trend filter to decide when to enter long positions. (Default: false)
+
+**Long Term Trend Period**: The period of the trend filter as measured using a simple moving average. (Default: 200)
+
 ---
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