X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=blobdiff_plain;f=doc%2Fsysdbql.7.txt;h=c4f52a9a8c1110ac3880b7c03b849eeb6b75d991;hp=011da144fc734ab9c005156506b59d523e35fbb3;hb=1cea8dc9f3cb0c5579c68fcdf24e7b587ac3fe0e;hpb=16ac77248a64a2fc6a0ebfd79d2c4357e95247d8

diff --git a/doc/sysdbql.7.txt b/doc/sysdbql.7.txt
index 011da14..c4f52a9 100644
--- a/doc/sysdbql.7.txt
+++ b/doc/sysdbql.7.txt
@@ -67,13 +67,13 @@ are supported by SysDB:
 
 The following fields may be queried:
 
-*host.name*::
+*host*::
 	The full name of the host.
 
-*service.name*::
+*service*::
 	The full service name as referenced by the host.
 
-*attribute.name*::
+*attribute*::
 	The full name of a host attribute.
 
 *attribute.*'<name>'::
@@ -112,6 +112,10 @@ The following operators may be used, in addition, to match attribute values:
 	Evaluates to true if the attribute value is less than, less than or equal
 	to, greater than or equal to or greater than the specified value.
 
+In addition, a named attribute may be check for existence using the *IS NULL*
+and *IS NOT NULL* expressions. An attribute is considered to be *NULL* if it
+is not set for a host.
+
 RESPONSE FORMAT
 ---------------
 The JavaScript Object Notation (JSON) format, as specified in RFC 4627, is
@@ -179,7 +183,9 @@ replies look like. The replies are pretty-printed to more easily follow them.
 
 SEE ALSO
 --------
-manpage:sysdb[1]
+manpage:sysdb[1], manpage:sysdb[7]
+
+The SysDB homepage: http://sysdb.io/
 
 AUTHOR
 ------