diff --git a/README.md b/README.md
index 2213e331b02502bba50c8a0bb53bcbdd06d217ac..e1a682e5318c1dbcaf9ff9595ebf734e17166732 100644
--- a/README.md
+++ b/README.md
@@ -38,10 +38,10 @@ Additionally, to subscribe to an email list concerning updates to these R packag
 
 Package Installation
 ---------------------------------
-While the dataRetreival package is in development (and not on CRAN), the zoo package must first be manually installed. To install the dataRetrieval package:
+While the dataRetreival package is in development (and not on CRAN), the zoo package must first be manually installed. To install the dataRetrieval package, you must be using R 3.0 or greater and run the following commands:
 
 	install.packages(c("zoo","XML","RCurl))
-	install.packages("dataRetrieval", repos="http://usgs-r.github.com", type="source")
+	install.packages("dataRetrieval", repos="http://usgs-r.github.com")
 	
 
 Background Information