Remove an extra slash from the go.sum link
diff --git a/Modules.md b/Modules.md
index bf80d9b..9094a51 100644
--- a/Modules.md
+++ b/Modules.md
@@ -47,7 +47,7 @@
* [How do I use modules with CI systems such as Travis or CircleCI?](https://github.com/golang/go/wiki/Modules#how-do-i-use-modules-with-ci-systems-such-as-travis-or-circleci)
* [FAQs — go.mod and go.sum](https://github.com/golang/go/wiki/Modules#faqs--gomod-and-gosum)
* [Why does 'go mod tidy' record indirect and test dependencies in my 'go.mod'?](https://github.com/golang/go/wiki/Modules#why-does-go-mod-tidy-record-indirect-and-test-dependencies-in-my-gomod)
- * [Is 'go.sum' a lock file? Why does 'go.sum' include information for module versions I am no longer using?](https://github.com/golang/go/wiki/Modules/#is-gosum-a-lock-file-why-does-gosum-include-information-for-module-versions-i-am-no-longer-using)
+ * [Is 'go.sum' a lock file? Why does 'go.sum' include information for module versions I am no longer using?](https://github.com/golang/go/wiki/Modules#is-gosum-a-lock-file-why-does-gosum-include-information-for-module-versions-i-am-no-longer-using)
* [Should I still add a 'go.mod' file if I do not have any dependencies?](https://github.com/golang/go/wiki/Modules#should-i-still-add-a-gomod-file-if-i-do-not-have-any-dependencies)
* [Should I commit my 'go.sum' file as well as my 'go.mod' file?](https://github.com/golang/go/wiki/Modules#should-i-commit-my-gosum-file-as-well-as-my-gomod-file)
* [FAQs — Semantic Import Versioning](https://github.com/golang/go/wiki/Modules#faqs--semantic-import-versioning)
