diff --git a/README b/README
index 4b5a1c9..5fa3080 100644
--- a/README
+++ b/README
@@ -2,5 +2,6 @@ timesweep is an htmlwidget to visually display temporal clonal evolution.
 
 Run example:
 
+devtools::install("<your_directory>/timesweep")
 library("timesweep")
 example("timesweep")
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