Update How-to-release.md (#961)

docs/en/How-to-release.md

@@ -169,7 +169,7 @@ All PPMC members and committers should check these before vote +1.
 1. Features test.
 1. All artifacts in staging repository are published with .asc, .md5, *sha1 files
 1. Source code and distribution package (apache-skywalking-incubating-x.y.z-src.tar.gz, apache-skywalking-incubating-x.y.z.tar.gz, apache-skywalking-incubating-x.y.z.zip)
-`in svn.apache.org` with .asc, .sha512
+are in `https://dist.apache.org/repos/dist/dev/incubator/skywalking/x.y.z` with .asc, .sha512
 1. `LICENSE` and `NOTICE` are in Source code and distribution package.
 1. Check `shasum -c apache-skywalking-apm-incubating-x.y.z-src.tgz.sha512`
 1. Build distribution from source code package (apache-skywalking-incubating-x.y.z-src.tar.gz) by following this [doc](https://github.com/apache/incubator-skywalking/blob/master/docs/en/How-to-build.md#build-from-apache-source-codes).