Update API table on flex page

Author: thecrypticace

src/docs/flex.mdx

@@ -11,8 +11,8 @@ export const description = "Utilities for controlling how flex items both grow a
   rows={[
     ["flex-<number>", "flex: <number>;"],
     ["flex-<fraction>", "flex: calc(<fraction> * 100%);"],
-    ["flex-auto", "flex: 1 1 auto;"],
-    ["flex-initial", "flex: 0 1 auto;"],
+    ["flex-auto", "flex: auto;"],
+    ["flex-initial", "flex: 0 auto;"],
     ["flex-none", "flex: none;"],
     ["flex-(<custom-property>)", "flex: var(<custom-property>);"],
     ["flex-[<value>]", "flex: <value>;"],