diff --git a/readme.md b/readme.md
index 9e3a2ce..3452503 100644
--- a/readme.md
+++ b/readme.md
@@ -13,16 +13,20 @@ Tested against BaseX 8.6.2
 import module namespace t="expkg-zone58:image.thumbnailator";
 
 fetch:binary("http://images.metmuseum.org/CRDImages/ep/original/DT46.jpg")
-=>t:scale(80,60)
+=>t:size(80,60)
 
 ```
 
 ### Tasks
 This function takes an XML description of the operations to apply to generate the thumbnail.
 
-```xml
+```xquery
+import module namespace t="expkg-zone58:image.thumbnailator";
+declare variable $watermark:="C:\Users\andy\git\ex-thumbnailator\src\test\resources\icon.jpg";
+
+let $task:=
 <thumbnail>
-    <size width="500" height="500"/>
+    <size width="100" height="100"/>
     <filters>             
         <colorize color="green" alpha=".5"/>      
         <caption position="CENTER">Some Text here</caption>
@@ -31,8 +35,11 @@ This function takes an XML description of the operations to apply to generate th
         <watermark src="{$watermark}" alpha=".5"  position="TOP_LEFT"/>  
     </filters>         
 </thumbnail>
+
+return fetch:binary("http://images.metmuseum.org/CRDImages/ep/original/DT46.jpg")
+=>t:task($task)
 ```
-A schema is provided.
+A schema for this is [provided](./src/content/task.xsd)
 
 ## Installation
 The library is packaged in the [EXpath](http://expath.org/spec/pkg) xar format with 
diff --git a/src/main/content/thumbnailator.xqm b/src/main/content/thumbnailator.xqm
index 23bc1c8..073c8b0 100644
--- a/src/main/content/thumbnailator.xqm
+++ b/src/main/content/thumbnailator.xqm
@@ -34,7 +34,7 @@ as  xs:base64Binary
  : @result base64Binary for thumbnail
  :)
 declare function thumbnails:task($source  as xs:base64Binary,
-                                 $task as element(task))
+                                 $task as element(thumbnail))
 as  xs:base64Binary
 {
   Q{java:org.expkgzone58.image.Thumbs}task($source,$task)
diff --git a/src/main/expath-pkg.xml b/src/main/expath-pkg.xml
index 42fef54..2008990 100644
--- a/src/main/expath-pkg.xml
+++ b/src/main/expath-pkg.xml
@@ -1,5 +1,5 @@
 <package xmlns="http://expath.org/ns/pkg" name="https://github.com/expkg-zone58/ex-thumbnailator"
-	abbrev="thumbnailator" version="4.1.4" spec="1.0">
+	abbrev="thumbnailator" version="4.1.5" spec="1.0">
 
 	<title>An XQuery interface to thumbnailator the thumbnail generator library.</title>
 	<dependency processor="basex" />