Merge pull request #2392 from nodejs/nschonni-patch-1

doc: update links in README

Author: nschonni

README.md

@@ -174,7 +174,7 @@ slimmer images in general.
 
 This variant is highly recommended when final image size being as small as
 possible is desired. The main caveat to note is that it does use
-[musl libc](https://www.musl-libc.org) instead of
+[musl libc](https://musl.libc.org/) instead of
 [glibc and friends](https://www.etalabs.net/compare_libcs.html), so certain
 software might run into issues depending on the depth of their libc
 requirements. However, most software doesn't have an issue with this, so this
@@ -230,7 +230,7 @@ repository.
 
 ## License
 
-[License information](https://github.com/nodejs/node/blob/master/LICENSE) for
+[License information](https://github.com/nodejs/node/blob/main/LICENSE) for
 the software contained in this image. [License information](LICENSE) for the
 Node.js Docker project.