yes.

Program.cs

@@ -8,7 +8,7 @@ Env.Load();
 var token = Environment.GetEnvironmentVariable("TOKEN");
 var allowedUserIds = new List<long> { 15652354820931584 };
 var ownerId = 15652354820931584;
-var prefix = Environment.GetEnvironmentVariable("DEVPREFIX");
+var prefix = Environment.GetEnvironmentVariable("PREFIX");
 
 var client = new ValourClient("https://api.valour.gg/");
 client.SetupHttpClient();

README.md

@@ -72,7 +72,7 @@ provided <code>SkyBot.csproj</code> file.
 <p>Before running the bot, create a <code>.env</code> file in the root directory of the project with the following content:</p>
 
 <pre><code>TOKEN=your-bot-token-here
-DEVPREFIX=your-prefix-here
+PREFIX=your-prefix-here
 </code></pre>
 
 <ul>