1 files changed, 1 insertions, 0 deletions
diff --git a/README b/README
index b416c8d..1a99227 100644
--- a/README
+++ b/README
@@ -21,6 +21,7 @@ libdom requires the following tools:
  - A C99 capable C compiler
  - GNU make or compatible
  - Perl (for the testcases)
+   `sudo apt-get install libxml-xpath-perl`
 
 LibDOM also requires the following libraries to be installed: