diff --git a/scrapy/trunk/INSTALL b/scrapy/trunk/INSTALL
index 98d39001c..3e9666e25 100644
--- a/scrapy/trunk/INSTALL
+++ b/scrapy/trunk/INSTALL
@@ -32,3 +32,6 @@ Visit the project homepages for more information about it:
 
 In Debian/Ubuntu Linux it's as easy as:
 apt-get install python-twisted python-libxml2 python-pyopenssl
+
+In Arch Linux do:
+pacman -S twisted python-lxml pyopenssl