Merge commit 'd3927310d5b2404c3238f9b899db3329ea516490'

docs/content/en/commands/hugo.md

@@ -39,6 +39,7 @@ hugo [flags]
       --enableGitInfo              add Git revision, date, author, and CODEOWNERS info to the pages
   -e, --environment string         build environment
       --forceSyncStatic            copy all files when static is changed.
+      --format string              preferred file format (toml, yaml or json) (default "toml")
       --gc                         enable to run some cleanup tasks (remove unused cache files) after the build
   -h, --help                       help for hugo
       --ignoreCache                ignores the cache directory