docs: add parameter with brackets around varbit()

Reported-by: [email protected]
Discussion: https://postgr.es/m/152074343671.1853.18284519607571497106@wrigleys.postgresql.org

Author: Euler Taveira

Backpatch-through: 9.3

diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index b2143243c5e5428f17cc4d0ccb2045588983b6d2..8bbbd88fcc3691b61c82cd885b3b8e7cbe9dfd6a 100644 (file)
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -60,7 +60,7 @@
 
       
        bit varying [ (n) ]
-       varbit
+       varbit [ (n) ]
        variable-length bit string