Tweak language.

Author: m-ou-se

src/pages/celebration.astro

@@ -37,7 +37,7 @@ const title = "10 Years of Rust Celebration";
               Get your ticket now!
           </Button>
           <p style="margin-top: 1rem; font-size: 90%">
-          Note: You do not need a ticket if
+          Note: You do not need to buy a ticket if
           you are invited to the Rust&nbsp;All-Hands or RustWeek&nbsp;Unconf,
           or if you are a speaker or workshop host at RustWeek!
           </p>