Merge pull request #6952 from leonardomoreira00/bug/fix-doc-buildah-from

docs: update description for no-new-privileges option

Author: TomSweeneyRedHat

docs/buildah-from.1.md

@@ -422,7 +422,7 @@ Security Options
   "label=type:TYPE"   : Set the label type for the container
   "label=level:LEVEL" : Set the label level for the container
   "label=disable"     : Turn off label confinement for the container
-  "no-new-privileges" : Not supported
+  "no-new-privileges" : Disable container processes from gaining additional privileges
 
   "seccomp=unconfined" : Turn off seccomp confinement for the container
   "seccomp=profile.json :  White listed syscalls seccomp Json file to be used as a seccomp filter