diff --git a/README.md b/README.md
index 98fb73a..d9c0d8e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # estimate-pi-java
 derivation of pi using java
+
+The default amount of points to use is 1000000000. To change this, run the program like this: `java -jar pi.jar <n>` where you replace <n> with your desired amount of points. leaving out <n> will use the default.