Fix typo causing a Sphinx warning

LittleJ · LittleJ · commit 5fc8cd76cd65 · 2020-02-24T00:58:03.000+01:00
diff --git a/user_guide_src/source/general/ajax.rst b/user_guide_src/source/general/ajax.rst
@@ -14,9 +14,14 @@ Fetch API
     fetch(url, {
         method: "get",
         headers: {
-            "Content-Type": "application/json",
-            "X-Requested-With": "XMLHttpRequest"
-    }
+
+          "Content-Type": "application/json",
+
+          "X-Requested-With": "XMLHttpRequest"
+
+        }
+
+    });
 
 
 jQuery
