fix typo

close #1301

src/main/resources/assets/vampirism/lang/en_us.json

@@ -609,7 +609,7 @@
   "container.vampirism.hunter_table.structure_level_wrong": "Table structure incomplete for your level",
   "container.vampirism.hunter_table.level_wrong": "You cannot use the table at this level",
   "container.vampirism.basic_hunter.levelup": "I hope you have learned something",
-  "text.vampirism.unfamiliar": "This seem unfamiliar",
+  "text.vampirism.unfamiliar": "This seems unfamiliar",
   "text.vampirism.not_learned": "You have not learned how to use this",
   "tile.vampirism.alchemical_cauldron.display": "%s’s %s",
   "tile.vampirism.potion_table.display": "%s's %s",