fix underline in README

cgcgcg · cgcgcg · commit 18abc0d0392c · 2024-04-08T10:19:47.000-06:00
diff --git a/README.rst b/README.rst
@@ -78,7 +78,7 @@ and open ``docs/build/index.html`` in your browser.
 
 
 Possible ways to install and use PyNucleus
-==================================
+==========================================
 
 There are several ways to install and run PyNucleus:
 
