diff --git a/programming/misc/libnotify/pspec.xml b/programming/misc/libnotify/pspec.xml
index 4424364745..795edaa1e7 100644
--- a/programming/misc/libnotify/pspec.xml
+++ b/programming/misc/libnotify/pspec.xml
@@ -14,7 +14,7 @@
         <Description>libnotify sends desktop notifications to a notification daemon.</Description>
         <Archive sha1sum="18915d9a5ee8e0a00c3fd990d649251e3d2deac9" type="tarxz">http://ftp.acc.umu.se/pub/GNOME/sources/libnotify/0.7/libnotify-0.7.8.tar.xz</Archive>
         <BuildDependencies>
-	    <Dependency>meson</Dependency>
+            <Dependency>meson</Dependency>
             <Dependency>gtk3-devel</Dependency>
             <Dependency>gdk-pixbuf-devel</Dependency>
             <Dependency>gnome-common</Dependency>
@@ -22,7 +22,8 @@
             <Dependency>at-spi2-core-devel</Dependency>
             <Dependency>gobject-introspection-devel</Dependency>
             <Dependency>gtk-doc</Dependency>
-	    <Dependency>python-six</Dependency>
+            <Dependency>docbook-xsl</Dependency>
+            <Dependency>python-six</Dependency>
         </BuildDependencies>
     </Source>