christmas tree docs

docs/source/2025/01.rst

@@ -52,8 +52,8 @@ You can use a ZnDraw extension to provide a graphical user interface for buildin
             schema["properties"]["n"]["format"] = "range"
             schema["properties"]["x_spacing"]["format"] = "range"
             schema["properties"]["x_spacing"]["step"] = 0.1
-            schema["properties"]["x_spacing"]
             schema["properties"]["y_spacing"]["format"] = "range"
+            schema["properties"]["y_spacing"]["step"] = 0.1
             schema["properties"]["trunk_height"]["format"] = "range"
             return schema
 
@@ -150,4 +150,5 @@ The Extension will appear on the modifier sidebar and gives you full control ove
     .. image:: https://github.com/user-attachments/assets/5df7e7ab-a930-4361-ac5e-e4f0fcd10cc1
         :width: 100%
         :alt: ZnDraw
-        :class: only-dark 
+        :class: only-dark
+