diff --git a/Data-model-(in-progress).md b/Data-model-(in-progress).md
index 89a24fd..492e807 100644
--- a/Data-model-(in-progress).md
+++ b/Data-model-(in-progress).md
@@ -97,7 +97,7 @@ Structure:
         "northPole": -30,
         "southPole": -25
       },
-      "winds": [225, 45, 225, 315, 135, 315],
+      "winds": [225,45,225,315,135,315],
       "precipitation": 100
     },
     "geography": {
@@ -132,6 +132,13 @@ Structure:
         }
       }
     },
+    "rulers": {
+      "0": {
+        "i": 0,
+        "type": "ruler",
+        "points": [[0,0],[642,17]],
+      }
+    },
     "military": {
       "units": {
         "0": {