This affects the moves Ceaseless Edge and Stone Axe, as they are the moves that cause the splinters effect. Whenever splinters that were inflicted from a Pokemon are removed, the message that says "<Pokemon>'s splinters disappeared from existence" ends with an apostrophe. This does not make sense grammatically as apostrophes are not used to end sentences, so the sentence should end a period or an exclamation mark.

Instead of "<Pokemon>'s splinters disappeared from existence'", the message should say <Pokemon>'s splinters disappeared from existence." or "<Pokemon>'s splinters disappeared from existence!"

Here is a screenshot of this bug:
https://imgur.com/a/TmXexHS

How to reproduce:
1) Create an NPC with a high-level Pokemon that only knows Splash.
2) Give yourself a low-level Pokemon with Stone Axe or Ceaseless Edge who also knows a non-damaging move.
3) Start a battle with the NPC.
4) Use Stone Axe or Ceaseless Edge. The opponent should now have jagged splinters.
5) Use your non-damaging move until the splinters disappear.
6) Notice that once the splinters disappear from the opponent, the message "<Pokemon>'s splinters disappeared from existence'" is displayed.

Tested using The Pixelmon Modpack on CurseForge, with no external JSONs enabled.

Confirmed. Moving this to internal.