✏ Trivial spelling fix

Author: major

README.rst

@@ -38,7 +38,7 @@ Yahoo! Finance market data downloader
 Ever since `Yahoo! finance <https://finance.yahoo.com>`_ decommissioned
 their historical data API, many programs that relied on it to stop working.
 
-**yfinance** aimes to solve this problem by offering a reliable, threaded,
+**yfinance** aims to solve this problem by offering a reliable, threaded,
 and Pythonic way to download historical market data from Yahoo! finance.