Added a missing property to the FFTW docs
Added a missing property to the FFTW docs

simudream/pyFFTW,drwells/pyFFTW,simudream/pyFFTW,hgomersall/pyFFTW,jonathanessen/pyFFTW,jonathanessen/pyFFTW,simudream/pyFFTW,frederikhermans/pyfftw-arm,hgomersall/pyFFTW,drwells/pyFFTW,jonathanessen/pyFFTW,frederikhermans/pyfftw-arm,hgomersall/pyFFTW,simudream/pyFFTW,drwells/pyFFTW,drwells/pyFFTW