diff --git a/README.md b/README.md
index 491dae9..0c56f17 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ npm install --save-dev html-w3c-validator start-server-and-test
   // You can also specify HTML files instead of URLs
   "files": ["./index.html", "./about.html"],
 
-  // Specify the severities of the validator (default: ["error"])
+  // Specify the severities of the validator (default: ["warning", "error"])
   "severities": ["info", "warning", "error"]
 }
 ```
diff --git a/src/HTMLValidatorCommand.ts b/src/HTMLValidatorCommand.ts
index b6d690a..140128a 100644
--- a/src/HTMLValidatorCommand.ts
+++ b/src/HTMLValidatorCommand.ts
@@ -104,7 +104,10 @@ export class HTMLValidatorCommand extends Command {
           `Invalid config file at "${configPath}". Please add URLs or files.`
         )
       }
-      const configSeverities: Severity[] = config.severities ?? ['error']
+      const configSeverities: Severity[] = config.severities ?? [
+        'warning',
+        'error'
+      ]
       for (const severity of configSeverities) {
         if (!severities.includes(severity)) {
           throw new Error(