diff --git a/problem-matchers/flake8.json b/problem-matchers/flake8.json
index 5daec0d..7ef7c81 100644
--- a/problem-matchers/flake8.json
+++ b/problem-matchers/flake8.json
@@ -1,32 +1,32 @@
 {
-  "problemMatcher": [
-    {
-      "owner": "flake8-error",
-      "severity": "error",
-      "pattern": [
+    "problemMatcher": [
         {
-          "regexp": "^([^:]*):(\\d+):(\\d+): ([EF]\\d\\d\\d) (.*)$",
-          "file": 1,
-          "line": 2,
-          "column": 3,
-          "code": 4,
-          "message": 5
-        }
-      ]
-    },
-    {
-      "owner": "flake8-warning",
-      "severity": "warning",
-      "pattern": [
+            "owner": "flake8-error",
+            "severity": "error",
+            "pattern": [
+                {
+                    "regexp": "^([^:]*):(\\d+):(\\d+): ([EF]\\d\\d\\d) (.*)$",
+                    "file": 1,
+                    "line": 2,
+                    "column": 3,
+                    "code": 4,
+                    "message": 5
+                }
+            ]
+        },
         {
-          "regexp": "^([^:]*):(\\d+):(\\d+): ([W]\\d\\d\\d) (.*)$",
-          "file": 1,
-          "line": 2,
-          "column": 3,
-          "code": 4,
-          "message": 5
+            "owner": "flake8-warning",
+            "severity": "warning",
+            "pattern": [
+                {
+                    "regexp": "^([^:]*):(\\d+):(\\d+): ([W]\\d\\d\\d) (.*)$",
+                    "file": 1,
+                    "line": 2,
+                    "column": 3,
+                    "code": 4,
+                    "message": 5
+                }
+            ]
         }
-      ]
-    }
-  ]
+    ]
 }