fix: typo in main_live.js
fix: typo in main_live.js

fpvandoorn/tutorial,soonhokong/lean-tutorial,soonhokong/lean-tutorial,leanprover/tutorial,leanprover/tutorial,Hodapp87/cs6460_project,fpvandoorn/tutorial,cjmazey/fork_leanprover_tutorial,Hodapp87/cs6460_project,soonhokong/lean-tutorial,cjmazey/fork_leanprover_tutorial,Hodapp87/cs6460_project,avigad/tutorial,avigad/tutorial,fpvandoorn/tutorial,avigad/tutorial,cjmazey/fork_leanprover_tutorial,leanprover/tutorial