diff --git a/docs/elements.rst b/docs/elements.rst
index e4baf70e..2f2fb91c 100644
--- a/docs/elements.rst
+++ b/docs/elements.rst
@@ -397,7 +397,23 @@ To be completed.
 Lines
 -----
 
-To be completed.
+Line elements can be added to sections by using ``addLine``.
+
+.. code-block:: php
+
+    $linestyle = array('weight' => 1, 'width' => 100, 'height' => 0, 'color' => 635552);
+    $section->addLine($lineStyle)
+
+Available line style attributes:
+
+-  ``weight`` Line width in twips
+-  ``color`` Defines the color of stroke
+-  ``dash`` Line types: dash, rounddot, squaredot, dashdot, longdash, longdashdot, longdashdotdot
+-  ``beginArrow`` Start type of arrow: block, open, classic, diamond, oval
+-  ``endArrow`` End type of arrow: block, open, classic, diamond, ovel
+-  ``width`` Line-object width in pt
+-  ``height`` Line-object height in pt
+-  ``flip`` Flip the line element: true, false
 
 Shapes
 ------