diff --git a/admin_manual/installation/source_installation.rst b/admin_manual/installation/source_installation.rst
index 0eb3944fa..10cacb4e3 100644
--- a/admin_manual/installation/source_installation.rst
+++ b/admin_manual/installation/source_installation.rst
@@ -52,7 +52,7 @@ Required:
 * PHP module GD
 * PHP module iconv
 * PHP module JSON
-* PHP module libxml
+* PHP module libxml (Linux package libxml2 must be >=2.7.0)
 * PHP module mb multibyte
 * PHP module posix
 * PHP module SimpleXML
diff --git a/admin_manual/installation/system_requirements.rst b/admin_manual/installation/system_requirements.rst
index 9a8eb7380..65c3e7bb5 100644
--- a/admin_manual/installation/system_requirements.rst
+++ b/admin_manual/installation/system_requirements.rst
@@ -35,3 +35,6 @@ Supported Platforms
 * Mobile apps: iOS 7+, Android 4+
 * Web browser: IE9+ (except Compatibility Mode), Firefox 14+, Chrome 18+, 
   Safari 5+
+
+See :doc:`source_installation` for minimum software versions for installing 
+ownCloud.