Fix typo in documentation

Author: duhamelgm

docs/rules/jsx-sort-props.md

@@ -30,7 +30,7 @@ Examples of **correct** code for this rule:
   "shorthandFirst": <boolean>,
   "shorthandLast": <boolean>,
   "multilineFirst": <boolean>,
-  "multilineFirst": <boolean>,
+  "multilineLast": <boolean>,
   "ignoreCase": <boolean>,
   "noSortAlphabetically": <boolean>,
   "reservedFirst": <boolean>|<array<string>>,