diff --git a/api/soap/mantisconnect.php b/api/soap/mantisconnect.php
index d9bde04166..9ffd1d7f62 100644
--- a/api/soap/mantisconnect.php
+++ b/api/soap/mantisconnect.php
@@ -1207,7 +1207,7 @@
 	),
 	$t_namespace,
 	false, false, false,
-	'Get the issues that match the specified project id and paging details.'
+	'Get the issues that match the specified project id and paging details. Pass "-1" for the per_page parameter to get all issues.'
 );
 
 ### mc_project_get_issue_headers
@@ -1224,7 +1224,7 @@
 	),
 	$t_namespace,
 	false, false, false,
-	'Get the issue headers that match the specified project id and paging details.'
+	'Get the issue headers that match the specified project id and paging details. Pass "-1" for the per_page parameter to get all issues.'
 );
 
 ### mc_project_get_users
@@ -1545,7 +1545,7 @@
 	),
 	$t_namespace,
 	false, false, false,
-	'Get the issues that match the specified filter and paging details.'
+	'Get the issues that match the specified filter and paging details. Pass "-1" for the per_page parameter to get all issues.'
 );
 
 ### mc_filter_get_issue_headers
@@ -1563,7 +1563,7 @@
 	),
 	$t_namespace,
 	false, false, false,
-	'Get the issue headers that match the specified filter and paging details.'
+	'Get the issue headers that match the specified filter and paging details.  Pass "-1" for the per_page parameter to get all issues.'
 );
 
 ### mc_config_get_string