[fix]docs/sort-comp: fix typo for static-variables

docs/rules/sort-comp.md

@@ -91,7 +91,7 @@ The default configuration is:
   }
 }
 ```
-* `static-methods` is a special keyword that refers to static class variables.
+* `static-variables` is a special keyword that refers to static class variables.
 * `static-methods` is a special keyword that refers to static class methods.
 * `lifecycle` refers to the `lifecycle` group defined in `groups`.
 * `everything-else` is a special group that matches all of the methods that do not match any of the other groups.