The word "parrot" in the "Is It a Bird?" advancement description, is improperly capitalized

The Bug:

The word "parrot" in the "Is It a Bird?" advancement description, is improperly capitalized.

Steps to Reproduce:

• Grant yourself the "Is It a Bird?" advancement.

/advancement grant @s only minecraft:adventure/spyglass_at_parrot

• →  Notice how the word "parrot" in the advancement description is not capitalized.