diff --git a/README b/README
index ca78809..c82e131 100644
--- a/README
+++ b/README
@@ -182,8 +182,11 @@ CONFIGURATION
     OrderNetwork bytes|hits|duration
     OrderUser bytes|hits|duration
     OrderUrl bytes|hits|duration
-        Used to set how SquidAnalyzer sort Network, User and Url report
-        screen. Value can be: bytes, hits or duration. Default is bytes.
+        Used to set how SquidAnalyzer sort Network, User and User detailed
+        Urls reports screen. Value can be: bytes, hits or duration. Default
+        is bytes. Note that OrderUrl is limited to User detailed Urls
+        reports and does not apply to Top Url and Top domain report where
+        there is three reports each already ordered.
 
     OrderMime bytes|hits
         Used to set how SquidAnalyzer sort Mime types report screen Value
diff --git a/doc/SquidAnalyzer.pod b/doc/SquidAnalyzer.pod
index 6494f0c..bff4a6b 100644
--- a/doc/SquidAnalyzer.pod
+++ b/doc/SquidAnalyzer.pod
@@ -197,8 +197,11 @@ run. Default disable.
 
 =item OrderUrl bytes|hits|duration
 
-Used to set how SquidAnalyzer sort Network, User and Url report
-screen. Value can be: bytes, hits or duration. Default is bytes.
+Used to set how SquidAnalyzer sort Network, User and User detailed Urls
+reports screen. Value can be: bytes, hits or duration. Default is bytes.
+Note that OrderUrl is limited to User detailed Urls reports and does not
+apply to Top Url and Top domain report where there is three reports each
+already ordered.
 
 =item OrderMime bytes|hits
 
diff --git a/doc/squidanalyzer.3 b/doc/squidanalyzer.3
index ec91e94..45bb27c 100644
--- a/doc/squidanalyzer.3
+++ b/doc/squidanalyzer.3
@@ -341,8 +341,11 @@ run. Default disable.
 .IP "OrderUrl bytes|hits|duration" 4
 .IX Item "OrderUrl bytes|hits|duration"
 .PD
-Used to set how SquidAnalyzer sort Network, User and Url report
-screen. Value can be: bytes, hits or duration. Default is bytes.
+Used to set how SquidAnalyzer sort Network, User and User detailed Urls
+reports screen. Value can be: bytes, hits or duration. Default is bytes.
+Note that OrderUrl is limited to User detailed Urls reports and does not
+apply to Top Url and Top domain report where there is three reports each
+already ordered.
 .IP "OrderMime bytes|hits" 4
 .IX Item "OrderMime bytes|hits"
 Used to set how SquidAnalyzer sort Mime types report screen