1 files changed, 1 insertions, 0 deletions
diff --git a/HACKING b/HACKING
index 428a0b132..cd780c726 100644
--- a/HACKING
+++ b/HACKING
@@ -5,6 +5,7 @@ to have the following packages installed:
 	- GNU automake 1.3
 	        (Beta releases are at ftp://ftp.cygnus.com/pub/tromey)
 	- GNU libtool 1.2
+	- GNU indent (1.9.1 is known good)
 
 These should be available by ftp from ftp.gnu.org or any of the
 fine GNU mirrors.  Beta software can be found at alpha.gnu.org.