Docs: subcommand image: Fix small typo
Docs: subcommand image: Fix small typo

rkt/rkt,monstermunchkin/rkt,matthaias/rkt,Yhgenomics/rkt,Wilybald/rkt,squeed/rkt,lee212/rkt,sstabellini/rkt,joshix/rkt,Wilybald/rkt,cab105/rkt,matthaias/rkt,achanda/rkt,squeed/rkt,s-urbaniak/rkt,coreos/rkt,il9ue/rkt,krnowak/rkt,lucasallan/rkt,dgonyeo/rkt,il9ue/rkt,jjlakis/rkt,matthaias/rkt,mike1729/rkt,kbrwn/rkt,endocode/rkt,liubq919/rkt,sgotti/rkt,monstermunchkin/rkt,jakon89/rkt,lucasallan/rkt,lee212/rkt,sinfomicien/rkt,iaguis/rkt,jzelinskie/rkt,linki/rkt,liubq919/rkt,sinfomicien/rkt,shobhit85/rkt,adfernandes/rkt,dgonyeo/rkt,endocode/rkt,intelsdi-x/rkt,jzelinskie/rkt,ybubnov/rkt,jzelinskie/rkt,nhlfr/rkt,liugenping/rkt,linki/rkt,tmrts/rkt,jjlakis/rkt,sstabellini/rkt,blixtra/rkt,kbrwn/rkt,blixtra/rkt,ybubnov/rkt,mike1729/rkt,endocode/rkt,lucasallan/rkt,tmrts/rkt,euank/rkt,Shashwatsh/rkt,yifan-gu/rkt,liubq919/rkt,yifan-gu/rkt,nhlfr/rkt,yifan-gu/rkt,cab105/rkt,jonboulle/rkt,alban/rkt,Yhgenomics/rkt,Yhgenomics/rkt,linki/rkt,lucasallan/rkt,alban/rkt,jasonchaffee/rkt,yifan-gu/rocket,s-urbaniak/rkt,liugenping/rkt,dgonyeo/rkt,tmrts/rkt,kinvolk/rkt,lee212/rkt,sgotti/rkt,kinvolk/rkt,akshaykarle/rkt,adfernandes/rkt,jonboulle/rkt,kinvolk/rkt,jakon89/rkt,jasonchaffee/rkt,cab105/rkt,adfernandes/rkt,intelsdi-x/rkt,mike1729/rkt,Shashwatsh/rkt,jonboulle/rkt,joshix/rkt,markllama/rkt,rkt/rkt,krnowak/rkt,Shashwatsh/rkt,Wilybald/rkt,coreos/rkt,smarvin/rkt,liugenping/rkt,kbrwn/rkt,coreos/rkt,joshix/rkt,kinvolk/rkt,achanda/rkt,jasonchaffee/rkt,euank/rkt,monstermunchkin/rkt,il9ue/rkt,nhlfr/rkt,akshaykarle/rkt,Wilybald/rkt,rkt/rkt,markllama/rkt,yifan-gu/rocket,ybubnov/rkt,krnowak/rkt,achanda/rkt,sgotti/rkt,smarvin/rkt,jjlakis/rkt,shobhit85/rkt,joshix/rkt,markllama/rkt,euank/rkt,intelsdi-x/rkt,rkt/rkt,sinfomicien/rkt,akshaykarle/rkt,smarvin/rkt,squeed/rkt,shobhit85/rkt,blixtra/rkt,s-urbaniak/rkt,sstabellini/rkt,iaguis/rkt,alban/rkt,jakon89/rkt,yifan-gu/rocket,iaguis/rkt