docs: Canonicalize URLs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129181 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/opt.pod b/docs/CommandGuide/opt.pod
index d1d1db5..f5f4968 100644
--- a/docs/CommandGuide/opt.pod
+++ b/docs/CommandGuide/opt.pod
@@ -138,6 +138,6 @@
 
 =head1 AUTHORS
 
-Maintained by the LLVM Team (L<http://llvm.org>).
+Maintained by the LLVM Team (L<http://llvm.org/>).
 
 =cut