Update Graph.md

Graph.md

@@ -66,7 +66,8 @@ There are the following settings in `Style` > `Nodes` panel:
   - `Variable` allows you to choose a field by which the color is determined.
     With this option you can also choose if the color value should be taken directly or mapped to a
     color palette.
-  - `Direct` mode means that in the JSON document representing the node, the value in the selected
+    
+    `Direct` mode means that in the JSON document representing the node, the value in the selected
     field is used as a color. The color value in the JSON document can be set in different
     ways: