chore: typo

Author: antfu

README.md

@@ -33,7 +33,7 @@ English | <a href="https://github.com/antfu/i18n-ally/blob/master/README.zh-CN.m
 </a>
 </p>
 
-cso<h3 align="center">Sponsored by</h3>
+<h3 align="center">Sponsored by</h3>
 <p align="center">
 <a title="Try CodeStream" href="https://sponsorlink.codestream.com/?utm_source=vscmarket&amp;utm_campaign=i18nally&amp;utm_medium=banner"><img src="https://alt-images.codestream.com/codestream_logo_i18nally.png"></a></br>
 <sup>Eliminate context switching and costly distractions. Create and merge PRs and perform code reviews from inside your IDE while using jump-to-definition, your favorite keybindings, and other IDE tools. <a title="Try CodeStream" href="https://sponsorlink.codestream.com/?utm_source=vscmarket&amp;utm_campaign=i18nally&amp;utm_medium=banner">Learn more</a></sup>