diff --git a/src/SVGImage.php b/src/SVGImage.php
index <HASH>..<HASH> 100644
--- a/src/SVGImage.php
+++ b/src/SVGImage.php
@@ -20,8 +20,8 @@ class SVGImage
     private $document;
 
     /**
-     * @param int      $width      The image's width, in pixels.
-     * @param int      $height     The image's height, in pixels.
+     * @param string   $width      The image's width (any CSS length).
+     * @param string   $height     The image's height (any CSS length).
      * @param string[] $namespaces An optional array of additional namespaces.
      */
     public function __construct($width, $height, array $namespaces = array())
Fix misleading SVGImage constructor doc comment

The size does not have to be in pixels, and neither of type int.