RFR: Minor update to filing bug

[Jesper Wilhelmsson]

Added some minor details.

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Commit messages:
 - Minor update to filing bug

Changes: https://git.openjdk.java.net/guide/pull/35/files
 Webrev: https://webrevs.openjdk.java.net/?repo=guide&pr=35&range=00
  Stats: 7 lines in 1 file changed: 5 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/guide/pull/35.diff
  Fetch: git fetch https://git.openjdk.java.net/guide pull/35/head:pull/35

PR: https://git.openjdk.java.net/guide/pull/35