diff --git a/examples/Club_Cooee.cs b/examples/Club_Cooee.cs
index b21fb8b..ab0b145 100644
--- a/examples/Club_Cooee.cs
+++ b/examples/Club_Cooee.cs
@@ -17,7 +17,7 @@ public static async Task Main()
 
             var checker = new CheckerBuilder(checkerSettings, CheckAsync)
                 .WithCombos(File.ReadAllLines("Combos.txt"))
-                .WithProxies(File.ReadAllLines("Proxies.txt"), new ProxySettings(ProxyProtocol.HTTP))
+                .WithProxies(File.ReadAllLines("Proxies.txt"), new ProxySettings(ProxyProtocol.Http))
                 .Build();
 
             var consoleManager = new ConsoleManager(checker);
diff --git a/src/Milky/Checker.cs b/src/Milky/Checker.cs
index 79d3642..749ab18 100644
--- a/src/Milky/Checker.cs
+++ b/src/Milky/Checker.cs
@@ -183,7 +183,6 @@ private async Task StartCpmCounterAsync()
             }
         }
 
-        // It just looks better to have a separate method for this
         private void OutputCombo(Combo combo, CheckResult checkResult)
         {
             if (checkResult.ComboResult == ComboResult.Invalid && !_outputSettings.OutputInvalids)
@@ -196,7 +195,7 @@ private void OutputCombo(Combo combo, CheckResult checkResult)
             if (checkResult.Captures != null && checkResult.Captures.Count != 0)
             {
                 IEnumerable<string> captures = checkResult.Captures
-                    .Where(c => c.Value != null && !string.IsNullOrWhiteSpace(c.Value.ToString())) // If capture value is either null, empty or white-space, we don't want it to be included
+                    .Where(c => !string.IsNullOrWhiteSpace(c.Value?.ToString())) // If capture value is either null, empty or white-space, we don't want it to be included
                     .Select(c => $"{c.Key} = {c.Value}");
 
                 outputBuilder.Append(_outputSettings.CaptureSeparator).AppendJoin(_outputSettings.CaptureSeparator, captures);
diff --git a/src/Milky/CheckerBuilder.cs b/src/Milky/CheckerBuilder.cs
index 72a8931..dd5d9b3 100644
--- a/src/Milky/CheckerBuilder.cs
+++ b/src/Milky/CheckerBuilder.cs
@@ -34,7 +34,7 @@ public CheckerBuilder WithOutputSettings(OutputSettings outputSettings)
 
         public CheckerBuilder WithCombos(IEnumerable<Combo> combos)
         {
-            foreach (var combo in combos.Where(c => c.IsValid))
+            foreach (var combo in combos.Where(c => c.Valid))
             {
                 _combos.Add(combo);
             }
diff --git a/src/Milky/Enums/ProxyProtocol.cs b/src/Milky/Enums/ProxyProtocol.cs
index 1a8b27d..b97655c 100644
--- a/src/Milky/Enums/ProxyProtocol.cs
+++ b/src/Milky/Enums/ProxyProtocol.cs
@@ -2,9 +2,9 @@
 {
     public enum ProxyProtocol
     {
-        HTTP,
-        SOCKS4,
-        SOCKS4a,
-        SOCKS5
+        Http,
+        Socks4,
+        Socks4A,
+        Socks5
     }
 }
diff --git a/src/Milky/Models/CheckerInfo.cs b/src/Milky/Models/CheckerInfo.cs
index 912e1cb..f713402 100644
--- a/src/Milky/Models/CheckerInfo.cs
+++ b/src/Milky/Models/CheckerInfo.cs
@@ -18,7 +18,7 @@ internal CheckerInfo(int combos)
 
         public CheckerStatus Status { get; internal set; }
 
-        public int Combos { get; }
+        public int Combos { get; private set; }
 
         public int Checked { get; internal set; }
 
diff --git a/src/Milky/Models/Combo.cs b/src/Milky/Models/Combo.cs
index 11a5877..a8257f3 100644
--- a/src/Milky/Models/Combo.cs
+++ b/src/Milky/Models/Combo.cs
@@ -20,10 +20,10 @@ public Combo(string combo, string separator = ":")
             Username = split[0];
             Password = split[1];
 
-            IsValid = true;
+            Valid = true;
         }
 
-        internal bool IsValid { get; }
+        internal bool Valid { get; }
 
         public string Username { get; }
 
diff --git a/src/Milky/Models/Proxy.cs b/src/Milky/Models/Proxy.cs
index d064e77..780a447 100644
--- a/src/Milky/Models/Proxy.cs
+++ b/src/Milky/Models/Proxy.cs
@@ -38,13 +38,13 @@ public Proxy(string proxy, ProxySettings settings)
 
         internal bool Valid { get; }
 
-        public string Host { get; }
+        internal ProxySettings Settings { get; }
 
-        public int Port { get; }
+        internal string Host { get; }
 
-        public NetworkCredential Credentials { get; }
+        internal int Port { get; }
 
-        public ProxySettings Settings { get; }
+        internal NetworkCredential Credentials { get; }
 
         internal HttpClient GetHttpClient()
         {
@@ -65,7 +65,7 @@ internal HttpClient GetHttpClient()
 
         private HttpMessageHandler GetHttpMessageHandler()
         {
-            if (Settings.Protocol == ProxyProtocol.HTTP)
+            if (Settings.Protocol == ProxyProtocol.Http)
             {
                 return new HttpClientHandler()
                 {
@@ -88,19 +88,19 @@ private HttpMessageHandler GetHttpMessageHandler()
 
             return Settings.Protocol switch
             {
-                ProxyProtocol.SOCKS4 => new ProxyClientHandler<Socks4>(proxySettings)
+                ProxyProtocol.Socks4 => new ProxyClientHandler<Socks4>(proxySettings)
                 {
                     AllowAutoRedirect = Settings.AllowAutoRedirect,
                     UseCookies = Settings.UseCookies,
                     CookieContainer = Settings.CookieContainer
                 },
-                ProxyProtocol.SOCKS4a => new ProxyClientHandler<Socks4a>(proxySettings)
+                ProxyProtocol.Socks4A => new ProxyClientHandler<Socks4a>(proxySettings)
                 {
                     AllowAutoRedirect = Settings.AllowAutoRedirect,
                     UseCookies = Settings.UseCookies,
                     CookieContainer = Settings.CookieContainer
                 },
-                ProxyProtocol.SOCKS5 => new ProxyClientHandler<Socks5>(proxySettings)
+                ProxyProtocol.Socks5 => new ProxyClientHandler<Socks5>(proxySettings)
                 {
                     AllowAutoRedirect = Settings.AllowAutoRedirect,
                     UseCookies = Settings.UseCookies,