diff --git a/definitions/3.0.0/serverVariable.json b/definitions/3.0.0/serverVariable.json
index df4fbdda..1bcc5090 100644
--- a/definitions/3.0.0/serverVariable.json
+++ b/definitions/3.0.0/serverVariable.json
@@ -1,40 +1,40 @@
 {
-	"type": "object",
-	"description": "An object representing a Server Variable for server URL template substitution.",
-	"additionalProperties": false,
-	"patternProperties": {
-		"^x-[\\w\\d\\.\\x2d_]+$": {
-			"$ref": "http://asyncapi.com/definitions/3.0.0/specificationExtension.json"
-		}
-	},
-	"properties": {
-		"enum": {
-			"type": "array",
-			"description": "An enumeration of string values to be used if the substitution options are from a limited set.",
-			"items": {
-				"type": "string"
-			},
-			"uniqueItems": true
-		},
-		"default": {
-			"type": "string",
-			"description": "The default value to use for substitution, and to send, if an alternate value is not supplied."
-		},
-		"description": {
-			"type": "string",
-			"description": "An optional description for the server variable. CommonMark syntax MAY be used for rich text representation."
-		},
-		"examples": {
-			"type": "array",
-			"description": "An array of examples of the server variable.",
-			"items": {
-				"type": "string"
-			}
-		}
-	},
-	"example": {
-		"$ref": "http://asyncapi.com/examples/3.0.0/serverVariable.json"
-	},
-	"$schema": "http://json-schema.org/draft-07/schema#",
-	"$id": "http://asyncapi.com/definitions/3.0.0/serverVariable.json"
-}
\ No newline at end of file
+  "type": "object",
+  "description": "An object representing a Server Variable for server URL template substitution.",
+  "additionalProperties": false,
+  "patternProperties": {
+    "^x-[\\w\\d\\.\\x2d_]+$": {
+      "$ref": "http://asyncapi.com/definitions/3.0.0/specificationExtension.json"
+    }
+  },
+  "properties": {
+    "enum": {
+      "type": "array",
+      "description": "An enumeration of string values to be used if the substitution options are from a limited set.",
+      "items": {
+        "type": "string"
+      },
+  	"uniqueItems": true
+    },
+  	"default": {
+  	  "type": "string",
+  	  "description": "The default value to use for substitution, and to send, if an alternate value is not supplied."
+  	},
+  	"description": {
+  	  "type": "string",
+  	  "description": "An optional description for the server variable. CommonMark syntax MAY be used for rich text representation."
+  	},
+  	"examples": {
+  	  "type": "array",
+  	  "description": "An array of examples of the server variable.",
+  	  "items": {
+  	    "type": "string"
+	  }
+	}
+  },
+  "example": {
+    "$ref": "http://asyncapi.com/examples/3.0.0/serverVariable.json"
+  },
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "http://asyncapi.com/definitions/3.0.0/serverVariable.json"
+}