diff --git a/src/Commands/BuildCommand.php b/src/Commands/BuildCommand.php
index 9024e1e..edc7bb0 100644
--- a/src/Commands/BuildCommand.php
+++ b/src/Commands/BuildCommand.php
@@ -42,8 +42,8 @@ class BuildCommand extends Command
     public const DEFAULT_MIN_SEARCH_LENGTH = 3;
 
     /** N-gram bounds for the title autocomplete subfield (not admin-configurable). */
-    private const TITLE_MIN_GRAM = 2;
-    private const TITLE_MAX_GRAM = 15;
+    private const TITLE_MIN_GRAM = 3;
+    private const TITLE_MAX_GRAM = 20;
 
     protected $signature = 'blomstra:search:index
         {action? : build | promote | rollback | discard | mapping | fill}