diff --git a/include/class.sequence.php b/include/class.sequence.php
index 2569718737b711f9fb86d779da2aefb115b6feda..62b9c395686bd5fa1c9ea6b1da9c3df3c233218e 100644
--- a/include/class.sequence.php
+++ b/include/class.sequence.php
@@ -201,6 +201,9 @@ class RandomSequence extends Sequence {
     function __construct() {}
 
     function __next($digits=6) {
+        if ($digits < 6)
+            $digits = 6;
+
         return Misc::randNumber($digits);
     }
 
diff --git a/include/i18n/en_US/help/tips/settings.ticket.yaml b/include/i18n/en_US/help/tips/settings.ticket.yaml
index e694af2b391a87f3df213a351ee0ec4baa77656b..d048bad0502d5e03f690456e81ac5400c8518572 100644
--- a/include/i18n/en_US/help/tips/settings.ticket.yaml
+++ b/include/i18n/en_US/help/tips/settings.ticket.yaml
@@ -16,19 +16,21 @@
 number_format:
     title: Ticket Number Format
     content: >
-        This setting is used to create numbers for new tickets. Use hash
-        signs (`#`) where numbers are to be replaced. For example, for
-        six-digit numbers, use <code>######</code>. Any other text in the
-        number format will be preserved. Number formats can be overridden by
-        each help topic.
+        This setting is used to generate ticket numbers. Use hash signs
+        (`#`) where digits are to be placed. Any other text in the number
+        format will be preserved. <span class="doc-desc-title">Help
+        Topics</span> can define custom number formats.
+        <br/><br/>
+        For example, for six-digit numbers, use <code>######</code>.
 
 sequence_id:
     title: Ticket Number Sequence
-    content:
+    content: >
         Choose a sequence from which to derive new ticket numbers. The
         system has a incrementing sequence and a random sequence by default.
         You may create as many sequences as you wish. Use various sequences
-        in the number format configuration for help topics.
+        in the <span class="doc-desc-title">Ticket Number
+        Format</span> configuration for help topics.
 
 default_sla:
     title: Default SLA
diff --git a/scp/css/scp.css b/scp/css/scp.css
index 95d63bbf0efef64e7371bf25b9013dfdab2e43fe..6694742f4087145ed8b6e682bff2d3be7e3418ca 100644
--- a/scp/css/scp.css
+++ b/scp/css/scp.css
@@ -1678,6 +1678,9 @@ div.selected-signature .inner {
     border-bottom-right-radius: inherit;
     width: 35px;
 }
+.row-item .delete:empty {
+    visibility: hidden;
+}
 
 .row-item .button-group {
     font-size: 105%;