Index: share/man/man9/style.9
===================================================================
--- share/man/man9/style.9
+++ share/man/man9/style.9
@@ -503,13 +503,14 @@
 .Pp
 Space after keywords
 .Pq Ic if , while , for , return , switch .
-No braces
+Either braces
 .Ql ( \&{
 and
 .Ql \&} )
-are
-used for control statements with zero or only a single statement unless that
-statement is more than a single line in which case they are permitted.
+are not
+used for control statements with only a single statement unless that
+statement is more than a single line, or braces are always used
+for single statements within a file.
 Forever loops are done with
 .Ic for Ns 's ,
 not
@@ -565,6 +566,8 @@
 Closing and opening braces go on the same line as the
 .Ic else .
 Braces that are not necessary may be left out.
+Braces that are not necessary may also be left in.
+The choice should be at the file level.
 .Bd -literal
 	if (test)
 		stmt;