Docs: Update sort-keys doc to define natural ordering (fixes #9043) (#…

…9045)

docs/rules/sort-keys.md

@@ -70,7 +70,23 @@ The 1st option is `"asc"` or `"desc"`.
 The 2nd option is an object which has 2 properties.
 
 * `caseSensitive` - if `true`, enforce properties to be in case-sensitive order. Default is `true`.
-* `natural` - if `true`, enforce properties to be in natural order. Default is `false`.
+* `natural` - if `true`, enforce properties to be in natural order. Default is `false`. Natural Order compares strings containing combination of letters and numbers in the way a human being would sort. It basically sorts numerically, instead of sorting alphabetically. So the number 10 comes after the number 3 in Natural Sorting.
+
+Example for a list:
+
+With `natural` as true, the ordering would be
+1
+3
+6
+8
+10
+
+With `natural` as false, the ordering would be
+1
+10
+3
+6
+8
 
 ### desc