diff --git a/indicators/percent-rank/README.md b/indicators/percent-rank/README.md
index d9fd2e6..f768a15 100644
--- a/indicators/percent-rank/README.md
+++ b/indicators/percent-rank/README.md
@@ -8,4 +8,8 @@ By default it operates on closing prices, but it can be applied to any input ser
 
 **Period**: The period over which to calculate the percent rank. (Default: 100)
 
+## Plots
+
+**Percent Rank**: The percent rank of each value of the input series. (Default: Yellow 3px Line)
+
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