Fix name of stylesheet function

Author: daun

DashboardPanelHelloWorld.module

@@ -71,7 +71,7 @@ class DashboardPanelHelloWorld extends DashboardPanel
     /**
      * Get a list of the panel's stylesheets.
      */
-    public function getStyles()
+    public function getStylesheets()
     {
         return ['https://cdnjs.cloudflare.com/something.min.css'];
     }

DashboardPanelTemplate.module

@@ -53,7 +53,7 @@ class DashboardPanelTemplate extends DashboardPanel
         return [$this->replaceFileExtension($this->templateFile, 'js')];
     }
 
-    public function getStyles()
+    public function getStylesheets()
     {
         return [$this->replaceFileExtension($this->templateFile, 'css')];
     }

docs/panels/custom.md

@@ -25,7 +25,7 @@ Every panel module **must** implement the `getContent()` method that returns the
 - `getFooter()`: returns the rendered markup for the panel footer (string)
 - `getClassNames()`: returns additional class names for the panel div (array)
 - `getAttributes()`: returns HTML attributes for the panel card (array of `attr => value`)
-- `getStyles()`: returns styles to load (array of filenames or URLs)
+- `getStylesheets()`: returns stylesheets to load (array of filenames or URLs)
 - `getScripts()`: returns scripts to load (array of filenames or URLs)
 - `getInterval()`: returns the interval at which the panel is reloaded via AJAX (integer, milliseconds)