diff --git a/README.md b/README.md
index 3e50ee4..8014789 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,10 @@ $content    = $filesystem->read('path/to/my/file.txt');
 $resource   = $filesystem->readResource('path/to/my/file.txt');
 $success    = $filesystem->createDir('new/directory/here');
 $success    = $filesystem->rename('path/to/my/file.txt', 'some/other/folder/another.txt');
+
+// The URL of a file can be found like this:
+
+$url = $filesystem->getAdapter()->getUrl('path/to/my/foo.bar');
 ```
 
 ## Testing
diff --git a/src/AzureFileAdapter.php b/src/AzureFileAdapter.php
index 872978e..caeeeea 100644
--- a/src/AzureFileAdapter.php
+++ b/src/AzureFileAdapter.php
@@ -68,7 +68,7 @@ public function __construct(IFile $azureClient, $config = [], $prefix = null)
      * @param string $pathName the normalised file pathname
      * @return string URL for the file, needed for some API methods
      */
-    protected function getUrl($pathName)
+    public function getUrl($pathName)
     {
         return sprintf(
             '%s%s/%s',