Issue #26553: Capitalization of HTTP, HTTPS, FTP, and URL

Patch by Anish Shah and Aatish Neupane.
diff --git a/Doc/library/urlparse.rst b/Doc/library/urlparse.rst
index 37f2aae..1f05e5b 100644
--- a/Doc/library/urlparse.rst
+++ b/Doc/library/urlparse.rst
@@ -290,7 +290,7 @@
       Names (URNs) and Uniform Resource Locators (URLs).
 
    :rfc:`2368` - The mailto URL scheme.
-      Parsing requirements for mailto url schemes.
+      Parsing requirements for mailto URL schemes.
 
    :rfc:`1808` - Relative Uniform Resource Locators
       This Request For Comments includes the rules for joining an absolute and a