diff --git a/src/Twig/Runtime/IconRuntime.php b/src/Twig/Runtime/IconRuntime.php
index 170bacf..9d5baa3 100644
--- a/src/Twig/Runtime/IconRuntime.php
+++ b/src/Twig/Runtime/IconRuntime.php
@@ -39,7 +39,7 @@ final class IconRuntime implements RuntimeExtensionInterface
      */
     public function renderIcon(array $userOptions): string
     {
-        $options = $this->getMergedOptions($userOptions);
+        $options = $this->mergeWithDefaultOptions($userOptions);
 
         $svg = $this->getSanitisedIconSvg($options['icon']);
 
@@ -58,7 +58,7 @@ final class IconRuntime implements RuntimeExtensionInterface
         return implode(' ', $extraClasses);
     }
 
-    private function getMergedOptions(array $userOptions): array
+    private function mergeWithDefaultOptions(array $userOptions): array
     {
         $this->throwIfUnrecognisedOptionExists($userOptions);
         return $this->mergeUserOptionsWithDefaults($userOptions);
@@ -187,6 +187,7 @@ final class IconRuntime implements RuntimeExtensionInterface
     private function setSvgHeightAndWidth(string $content, int $size): string
     {
         $this->throwIfSizeIsNegative($size);
+
         $svgAsXmlElement = new \SimpleXMLElement($content);
         $svgAsXmlElement = $this->addAttributeToXmlElement($svgAsXmlElement, 'width', $size);
         $svgAsXmlElement = $this->addAttributeToXmlElement($svgAsXmlElement, 'height', $size);