Fix typos and re-word explanation of gc heapGrowthPercentage
Fix typos and re-word explanation of gc heapGrowthPercentage

Nelarius/wren,munificent/wren,Nelarius/wren,munificent/wren,Nelarius/wren,foresterre/wren,foresterre/wren,munificent/wren,minirop/wren,minirop/wren,minirop/wren,munificent/wren,Nelarius/wren,minirop/wren,foresterre/wren,foresterre/wren,Nave-Neel/wren,Nelarius/wren,munificent/wren,munificent/wren,minirop/wren,Nave-Neel/wren,foresterre/wren,Nave-Neel/wren,Nave-Neel/wren