fix typo in sapling/birch
fix typo in sapling/birch

dighjd12/ScriptCraft,vorburger/ScriptCraft,kzap/ScriptCraft,achang6/ScriptCraft,ut7/ScriptCraft,mverwijs/ScriptCraft,ut7/ScriptCraft,kzap/ScriptCraft,carlrobert/ScriptCraft,vorburger/ScriptCraft,walterhiggins/ScriptCraft,kamem/ScriptCraft,EllieAdam/ScriptCraft,achang6/ScriptCraft,TonyGravagno/ScriptCraft,kamem/ScriptCraft,bgon/BlocklyCraft,bgon/BlocklyCraft,carlrobert/ScriptCraft,EllieAdam/ScriptCraft,walterhiggins/ScriptCraft,bgon/BlocklyCraft,mverwijs/ScriptCraft,itrion/ScriptCraft,TonyGravagno/ScriptCraft,dighjd12/ScriptCraft,itrion/ScriptCraft