fix spacing on nmap api guide

Author: jmariomejiap

pages/api/Using_with_nmap.md

@@ -25,11 +25,11 @@ This is the shape of the expected payload.
 
 ```
 {
- "nmap_output": {
-   "hosts": [
-     {
+  "nmap_output": {
+    "hosts": [
+      {
         "ip_address" : "32.199.2.33",
-	      "ptr_record": "abc-32-199-2-33.cloudfront.net",
+        "ptr_record": "abc-32-199-2-33.cloudfront.net",
         "ports": [
           {
             "port": 22,