fix typo in README
fix typo in README

huahang/typhoon-blade,huahang/typhoon-blade,project-zerus/blade,Lunewcome/typhoon-blade,ChenglongChen/typhoon-blade,huahang/typhoon-blade,ChenglongChen/typhoon-blade,huahang/typhoon-blade,project-zerus/blade,Lunewcome/typhoon-blade,project-zerus/blade,ChenglongChen/typhoon-blade,ChenglongChen/typhoon-blade,project-zerus/blade,Lunewcome/typhoon-blade,project-zerus/blade,Lunewcome/typhoon-blade