diff --git a/strategies/advances-and-declines/README.md b/strategies/advances-and-declines/README.md
index d6cc227..cee4461 100644
--- a/strategies/advances-and-declines/README.md
+++ b/strategies/advances-and-declines/README.md
@@ -18,4 +18,18 @@ As with most of the strategies from this book, they are meant to illustrate cert
 2. If the ratio of **declines to advances** is at least 2 : 1, enter a long trade.
 3. Exit the trade after 5 trading days (~1 week).
 
+## Parameters
+
+**Advances**: The portion of the ratio associated with advances. (Default: 1.0)
+
+**Declines**: The portion of the ratio associated with declines. (Default: 2.0)
+
+**Long-Term Trend Period**: The period of the long-term trend as measured using a simple moving average. (Default: 200)
+
+**Days to Exit**: The number of days to wait before exiting any trade. (Default: 5)
+
+*Whichever of Advances or Declines is greater is what is used as the numerator in the ratio.*
+
+The default settings specify a declines / advances ratio of 2 : 1.
+
 ---
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