Fix lang file typo for Tricalcium Phosphate

[Exaxxion]

What: Corrects inadvertent rename to "Tricalcium Phospate" during the lang file adjustment in #1718

How solved: Add missing "h" to the word "Phosphate"

Outcome: Name is corrected.

Additional info: Typo exhibited in current version of GTCE:

Possible compatibility issue: None anticipated.