diff --git a/indicators/put-call-ratio/README.md b/indicators/put-call-ratio/README.md
index 5d3d7a4..1242394 100644
--- a/indicators/put-call-ratio/README.md
+++ b/indicators/put-call-ratio/README.md
@@ -11,4 +11,12 @@ This indicator requires an [IQFeed](https://www.iqfeed.net/) data subscription a
 * VPOT.Z - Option Put Volume Total
 * VCOT.Z - Option Call Volume Total
 
+## Parameters
+
+N / A
+
+## Plots
+
+**Put / Call Ratio**: The total put option volume divided by the total call option volume. (Default: Yellow Solid Line 3px)
+
 ---
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