diff --git a/winsup/utils/getfacl.c b/winsup/utils/getfacl.c
index 57c58fb6a..363226d6e 100644
--- a/winsup/utils/getfacl.c
+++ b/winsup/utils/getfacl.c
@@ -98,14 +98,14 @@ usage (FILE * stream)
 	"     user:name or uid:perm\n"
 	"     group::perm\n"
 	"     group:name or gid:perm\n"
-	"     mask:perm\n"
-	"     other:perm\n"
+	"     mask::perm\n"
+	"     other::perm\n"
 	"     default:user::perm\n"
 	"     default:user:name or uid:perm\n"
 	"     default:group::perm\n"
 	"     default:group:name or gid:perm\n"
-	"     default:mask:perm\n"
-	"     default:other:perm\n"
+	"     default:mask::perm\n"
+	"     default:other::perm\n"
 	"\n");
     }
 }
@@ -265,10 +265,10 @@ main (int argc, char **argv)
 		n += printf ("group:%s:", groupname (acls[i].a_id));
 	      break;
 	    case CLASS_OBJ:
-	      printf ("mask:");
+	      printf ("mask::");
 	      break;
 	    case OTHER_OBJ:
-	      printf ("other:");
+	      printf ("other::");
 	      break;
 	    }
 	  n += printf ("%s", permstr (acls[i].a_perm));
diff --git a/winsup/utils/setfacl.c b/winsup/utils/setfacl.c
index 373265bf0..2577ab776 100644
--- a/winsup/utils/setfacl.c
+++ b/winsup/utils/setfacl.c
@@ -119,7 +119,7 @@ getaclentry (action_t action, char *c, aclent_t *ace)
     }
   else if (!(ace->a_type & (USER_OBJ | GROUP_OBJ)))
     {
-      /* Mask and other entries may contain an extra colon. */
+      /* Mask and other entries may contain one or two colons. */
       if (*c == ':')
 	++c;
     }
@@ -558,8 +558,8 @@ usage (FILE *stream)
 "    u[ser]:uid:perm\n"
 "    g[roup]::perm\n"
 "    g[roup]:gid:perm\n"
-"    m[ask]:perm\n"
-"    o[ther]:perm\n"
+"    m[ask]:[:]perm\n"
+"    o[ther]:[:]perm\n"
 "\n"
 "  Default entries are like the above with the additional default identifier.\n"
 "  For example: \n"