diff --git a/OnlineChatSdk.podspec b/OnlineChatSdk.podspec
index f25b723..6495073 100644
--- a/OnlineChatSdk.podspec
+++ b/OnlineChatSdk.podspec
@@ -1,4 +1,4 @@
-Pod::Spec.new do |spec|
+Pod::Spec.new do |s|
   s.name             = 'OnlineChatSdk'
   s.version          = '0.0.2'
   s.summary          = 'A small library containing a wrapper for the WKWebView.'
diff --git a/OnlineChatSdk/Classes/ChatController.swift b/OnlineChatSdk/Classes/ChatController.swift
index 50ed693..2394a3c 100644
--- a/OnlineChatSdk/Classes/ChatController.swift
+++ b/OnlineChatSdk/Classes/ChatController.swift
@@ -67,7 +67,7 @@ open class ChatController: UIViewController, WKNavigationDelegate, WKScriptMessa
     }
 
     public func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> ()) {
-        if let host = navigationAction.request.url?.host {
+        if let _ = navigationAction.request.url?.host {
             if navigationAction.request.url?.absoluteString == self.widgetUrl {
                 decisionHandler(.allow)
                 return