diff --git a/src/Settings/MiscSettings/IpnSuggestSettings.php b/src/Settings/MiscSettings/IpnSuggestSettings.php
index 16face21..2c2cb21a 100644
--- a/src/Settings/MiscSettings/IpnSuggestSettings.php
+++ b/src/Settings/MiscSettings/IpnSuggestSettings.php
@@ -35,7 +35,7 @@ use Symfony\Component\Translation\TranslatableMessage as TM;
 use Symfony\Component\Validator\Constraints as Assert;
 
 #[Settings(label: new TM("settings.misc.ipn_suggest"))]
-#[SettingsIcon("fa-list")]
+#[SettingsIcon("fa-arrow-up-1-9")]
 class IpnSuggestSettings
 {
     use SettingsTrait;
@@ -91,14 +91,14 @@ class IpnSuggestSettings
         description: new TM("settings.misc.ipn_suggest.numberSeparator.help"),
         options: ['type' => StringType::class],
     )]
-    public ?string $numberSeparator = '-';
+    public string $numberSeparator = '-';
 
     #[SettingsParameter(
         label: new TM("settings.misc.ipn_suggest.categorySeparator"),
         description: new TM("settings.misc.ipn_suggest.categorySeparator.help"),
         options: ['type' => StringType::class],
     )]
-    public ?string $categorySeparator = '-';
+    public string $categorySeparator = '-';
 
     #[SettingsParameter(
         label: new TM("settings.misc.ipn_suggest.globalPrefix"),
diff --git a/translations/messages.en.xlf b/translations/messages.en.xlf
index 5b7749e1..d6092f03 100644
--- a/translations/messages.en.xlf
+++ b/translations/messages.en.xlf
@@ -14484,5 +14484,53 @@ Please note that this system is currently experimental, and the synonyms defined
         <target>The global IPN prefix, common across all parts</target>
       </segment>
     </unit>
+    <unit id="WlKvQeB" name="settings.misc.ipn_suggest.fallbackPrefix">
+      <segment>
+        <source>settings.misc.ipn_suggest.fallbackPrefix</source>
+        <target>Fallback prefix</target>
+      </segment>
+    </unit>
+    <unit id="Fr8hXdE" name="settings.misc.ipn_suggest.fallbackPrefix.help">
+      <segment>
+        <source>settings.misc.ipn_suggest.fallbackPrefix.help</source>
+        <target>The IPN prefix that should be used, if a category has no prefix defined.</target>
+      </segment>
+    </unit>
+    <unit id="_p9cMpI" name="settings.misc.ipn_suggest.numberSeparator">
+      <segment>
+        <source>settings.misc.ipn_suggest.numberSeparator</source>
+        <target>Number separator</target>
+      </segment>
+    </unit>
+    <unit id="CqfzuM6" name="settings.misc.ipn_suggest.numberSeparator.help">
+      <segment>
+        <source>settings.misc.ipn_suggest.numberSeparator.help</source>
+        <target>The separator character used to separate the IPN number from the prefix.</target>
+      </segment>
+    </unit>
+    <unit id="PisGfwB" name="settings.misc.ipn_suggest.categorySeparator">
+      <segment>
+        <source>settings.misc.ipn_suggest.categorySeparator</source>
+        <target>Category separator</target>
+      </segment>
+    </unit>
+    <unit id="jlNd0CI" name="settings.misc.ipn_suggest.categorySeparator.help">
+      <segment>
+        <source>settings.misc.ipn_suggest.categorySeparator.help</source>
+        <target>The separator character used to separate different levels of category prefixes.</target>
+      </segment>
+    </unit>
+    <unit id="MkiJuRK" name="settings.misc.ipn_suggest.globalPrefix">
+      <segment>
+        <source>settings.misc.ipn_suggest.globalPrefix</source>
+        <target>Global prefix</target>
+      </segment>
+    </unit>
+    <unit id="Akh9iFg" name="settings.misc.ipn_suggest.globalPrefix.help">
+      <segment>
+        <source>settings.misc.ipn_suggest.globalPrefix.help</source>
+        <target>If enabled, an option for to generate IPN with this global prefix, shared across parts in all categories.</target>
+      </segment>
+    </unit>
   </file>
 </xliff>