diff --git a/README.md b/README.md
index 73ffcb9cc5ac974938d4376ea9c0ca33513c0137..90994fc251d7bac59162c4ce7903352264473bdf 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ To install the EGRET package:
 
 Include the full path to EGRET_1.2.3.tar.gz to install the package (here is a Windows example, note the direction of the slashes -> /, this is backwards from how Windows typically defines a path ):
 
-  install.packages("zoo")
+	install.packages("zoo")
 	install.packages("C:/RPackages/Statistics/dataRetrieval_1.2.1.tar.gz", repos=NULL, type="source")
 
 A Mac example: