Removing leave off the `-P` flag and also (#765)
Removing leave off the `-P` flag and also (#765)

I feel this sentence 'leave off the `-P` flag and also ' not necessary as that is not used that flag in the previous. User gets confused about this flag.
I am not sure any significance of that flag. If it is necessary to mention , we should better document it.

Thanks,
Srinivasarao Gurubelli
shubheksha/docker.github.io,denverdino/denverdino.github.io,LuisBosquez/docker.github.io,denverdino/denverdino.github.io,docker/docker.github.io,joaofnfernandes/docker.github.io,denverdino/denverdino.github.io,anweiss/docker.github.io,denverdino/denverdino.github.io,anweiss/docker.github.io,anweiss/docker.github.io,jzwlqx/denverdino.github.io,joeuo/docker.github.io,jzwlqx/denverdino.github.io,alexisbellido/docker.github.io,LuisBosquez/docker.github.io,shubheksha/docker.github.io,joaofnfernandes/docker.github.io,docker-zh/docker.github.io,jzwlqx/denverdino.github.io,denverdino/docker.github.io,LuisBosquez/docker.github.io,alexisbellido/docker.github.io,londoncalling/docker.github.io,gdevillele/docker.github.io,sanscontext/docker.github.io,sanscontext/docker.github.io,thaJeztah/docker.github.io,denverdino/docker.github.io,denverdino/docker.github.io,sanscontext/docker.github.io,docker-zh/docker.github.io,sanscontext/docker.github.io,docker-zh/docker.github.io,docker/docker.github.io,gdevillele/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,shubheksha/docker.github.io,bdwill/docker.github.io,menglingwei/denverdino.github.io,johnstep/docker.github.io,bdwill/docker.github.io,phiroict/docker,menglingwei/denverdino.github.io,shin-/docker.github.io,joeuo/docker.github.io,joeuo/docker.github.io,menglingwei/denverdino.github.io,gdevillele/docker.github.io,joaofnfernandes/docker.github.io,jzwlqx/denverdino.github.io,alexisbellido/docker.github.io,phiroict/docker,anweiss/docker.github.io,LuisBosquez/docker.github.io,gdevillele/docker.github.io,sanscontext/docker.github.io,johnstep/docker.github.io,LuisBosquez/docker.github.io,gdevillele/docker.github.io,bdwill/docker.github.io,joaofnfernandes/docker.github.io,londoncalling/docker.github.io,johnstep/docker.github.io,menglingwei/denverdino.github.io,bdwill/docker.github.io,docker/docker.github.io,phiroict/docker,JimGalasyn/docker.github.io,shin-/docker.github.io,joeuo/docker.github.io,JimGalasyn/docker.github.io,denverdino/docker.github.io,shin-/docker.github.io,joaofnfernandes/docker.github.io,denverdino/docker.github.io,alexisbellido/docker.github.io,docker/docker.github.io,shubheksha/docker.github.io,johnstep/docker.github.io,menglingwei/denverdino.github.io,shubheksha/docker.github.io,bdwill/docker.github.io,phiroict/docker,thaJeztah/docker.github.io,shin-/docker.github.io,docker-zh/docker.github.io,johnstep/docker.github.io,thaJeztah/docker.github.io,alexisbellido/docker.github.io,JimGalasyn/docker.github.io,JimGalasyn/docker.github.io,phiroict/docker,londoncalling/docker.github.io,JimGalasyn/docker.github.io,joeuo/docker.github.io,londoncalling/docker.github.io,shin-/docker.github.io,denverdino/denverdino.github.io,jzwlqx/denverdino.github.io,londoncalling/docker.github.io,docker/docker.github.io,anweiss/docker.github.io,docker-zh/docker.github.io