Add note that phases must be comma-separated sans spaces
Add note that phases must be comma-separated sans spaces

Closes #1893

[ci skip]
claytonbrown/dokku,jimjag/dokku,econya/dokku,elia/dokku,jimjag/dokku,crisward/dokku,claytonbrown/dokku,alexquick/dokku,claytonbrown/dokku,fruitl00p/dokku,elia/dokku,johnfraney/dokku,sseemayer/dokku,crisward/dokku,amaltson/dokku,codeconfab/dokku,alexquick/dokku,econya/dokku,crisward/dokku,elia/dokku,claytonbrown/dokku,amaltson/dokku,sseemayer/dokku,expa/dokku,codeconfab/dokku,fruitl00p/dokku,Evlos/dokku,econya/dokku,progrium/dokku,Evlos/dokku,sseemayer/dokku,claytonbrown/dokku,econya/dokku,codeconfab/dokku,progrium/dokku,fruitl00p/dokku,claytonbrown/dokku,expa/dokku,crisward/dokku,expa/dokku,elia/dokku,Evlos/dokku,Evlos/dokku,johnfraney/dokku,johnfraney/dokku,econya/dokku,expa/dokku,claytonbrown/dokku,crisward/dokku,econya/dokku,jimjag/dokku,dokku/dokku,dokku/dokku,alexquick/dokku,jimjag/dokku,elia/dokku,elia/dokku,Evlos/dokku,Evlos/dokku,dokku/dokku,crisward/dokku,dokku/dokku,elia/dokku,amaltson/dokku,dokku/dokku,sseemayer/dokku,progrium/dokku,fruitl00p/dokku,sseemayer/dokku,Evlos/dokku,jimjag/dokku,sseemayer/dokku,alexquick/dokku,dokku/dokku,expa/dokku,jimjag/dokku,expa/dokku,elia/dokku,johnfraney/dokku,amaltson/dokku,alexquick/dokku,progrium/dokku,johnfraney/dokku,fruitl00p/dokku,expa/dokku,crisward/dokku,codeconfab/dokku,johnfraney/dokku,codeconfab/dokku,fruitl00p/dokku,alexquick/dokku,fruitl00p/dokku,jimjag/dokku,alexquick/dokku,progrium/dokku,amaltson/dokku,expa/dokku,amaltson/dokku,crisward/dokku,alexquick/dokku,sseemayer/dokku,amaltson/dokku,claytonbrown/dokku,progrium/dokku,fruitl00p/dokku,codeconfab/dokku,econya/dokku,amaltson/dokku,codeconfab/dokku,econya/dokku,jimjag/dokku,johnfraney/dokku,johnfraney/dokku,progrium/dokku,codeconfab/dokku,sseemayer/dokku,dokku/dokku,dokku/dokku,progrium/dokku,Evlos/dokku