1 files changed, 5 insertions, 0 deletions
diff --git a/lr.1 b/lr.1
index 6aa9817..9f88a98 100644
--- a/lr.1
+++ b/lr.1
@@ -285,8 +285,13 @@ tests are given by the following EBNF:
                     | &          -- check if all bits of <octal> set
                     | |          -- check if any bit of <octal> set
                     ) <octal>
+             | mode = "<chmod>"  -- check if symbolic mode is satisfied
 
 <octal> ::= [0-7]+
+
+<chmod> ::= <clause> (, <clause>)+
+
+<clause> ::= [guoa]* [+-=] [rwxXstugo]*  -- see chmod(1)
 .Ed
 .Sh EXIT STATUS
 .Ex -std