[jfx16] RFR: 8252389: Fix mistakes in FX API docs [v2]

[Nir Lisker]

> The usual doc fixes (for OpenJFX 16).
> 
> Can wait until RDP2 to see if something else comes up.

Nir Lisker has updated the pull request incrementally with one additional commit since the last revision:

  Fix for 8260430

-------------

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/380/files
  - new: https://git.openjdk.java.net/jfx/pull/380/files/148ce0f6..ba164e55

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jfx&pr=380&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jfx&pr=380&range=00-01

  Stats: 10 lines in 1 file changed: 0 ins; 4 del; 6 mod
  Patch: https://git.openjdk.java.net/jfx/pull/380.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/380/head:pull/380

PR: https://git.openjdk.java.net/jfx/pull/380