Fixed typo in README
Fixed typo in README

domnikl/DesignPatternsPHP,HossamYoussef2009/DesignPatternsPHP,leonampd/DesignPatternsPHP,leonampd/DesignPatternsPHP,andreustimm/DesignPatternsPHP,HossamYoussef2009/DesignPatternsPHP,domnikl/DesignPatternsPHP,ModernPUG/DesignPatternsPHP,andreustimm/DesignPatternsPHP,ModernPUG/DesignPatternsPHP,leonampd/DesignPatternsPHP,ModernPUG/DesignPatternsPHP,HossamYoussef2009/DesignPatternsPHP