Greg Hogan commented on FLINK-4593:

There was no assignee, and I am unable to change to your name. I will try to 
merge the PR. Are you able to claim the issue? If not, Fabian can enable the 
necessary permissions.

> Fix PageRank algorithm example
> ------------------------------
>                 Key: FLINK-4593
>                 URL: https://issues.apache.org/jira/browse/FLINK-4593
>             Project: Flink
>          Issue Type: Bug
>          Components: Project Website
>            Reporter: Alexander Pivovarov
>            Assignee: Greg Hogan
>            Priority: Minor
> This page https://flink.apache.org/features.html shows the code which 
> implements PageRank algorithm (Batch Processing Applications).
> I noticed couple bugs in the code
> Page class has pageId field
> Adjacency has just id
> but in the code I see
> {code}pages.join(adjacency).where("pageId").equalTo("pageId"){code}
> {code}Page(page.id, 0.15 / numPages){code}
> Also, the code in not formatted (missing spaces)
> {code}Page(n, 0.85*page.rank/adj.neighbors.length){code}

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