diff --git a/docs/install.txt b/docs/install.txt
index 6aed44769e..54b792464f 100644
--- a/docs/install.txt
+++ b/docs/install.txt
@@ -51,9 +51,9 @@ make sure a database server is running. Django works with PostgreSQL_
 Additionally, you'll need to make sure your Python database bindings are
 installed.
 
-* If you're using PostgreSQL, you'll need the psycopg_ package (version 1 --
-  not version 2, which is still in beta). If you're on Windows, check out the
-  unofficial `compiled Windows version`_.
+* If you're using PostgreSQL, you'll need the psycopg_ package (version 1.1 --
+  not version 1.0 or version 2, which is still in beta). If you're on Windows,
+  check out the unofficial `compiled Windows version`_.
 * If you're using MySQL, you'll need MySQLdb_.
 * If you're using SQLite, you'll need pysqlite_. Use version 2.0.3 or higher.