In the English version of the game the volcano itself is called O'Ghomoro, so I figured "U'Ghamaro" in the beastmen strongholds video was just a small oversight (since the original Japanese is ウガマロ). However the name was used again in the patch notes, so it seems like an error that's persisted.

Is it a mistake, or does the stronghold intentionally have a different name than the mountain?