docs: add parameter with brackets around varbit()

Reported-by: scott.ure@caseware.com
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 7a8d39d948605d3bfd1ba5c3ed4c65f5cf0b6652..aaee81ca3708e8cb00458b3d82ef61a96e966d4a 100644 (file)
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -60,7 +60,7 @@
 
       <row>
        <entry><type>bit varying [ (<replaceable>n</replaceable>) ]</type></entry>
-       <entry><type>varbit</type></entry>
+       <entry><type>varbit [ (<replaceable>n</replaceable>) ]</type></entry>
        <entry>variable-length bit string</entry>
       </row>