diff --git a/json_config.html b/json_config.html
index 7f96346..c746b9c 100644
--- a/json_config.html
+++ b/json_config.html
@@ -66,6 +66,7 @@ div.closed
 <input type=text id=edit_name value="" style="width: 300px"><button id=edit_apply>Apply</button><button id=edit_okay>Apply &amp; Close</button><button id=edit_cancel>Close</button>
 <textarea type=text id=edit_entries value="" style="width: 100%; height:calc(100vh - 200px)"></textarea>
 <div class=edit_explanation>
+<p>Importing large JSON dictionaries can cause the browser to freeze for several seconds. This is normal.</p>
 <pre>
 Format (copy-paste-able):
 [
diff --git a/texthook.js b/texthook.js
index a3a45e2..5be1faa 100644
--- a/texthook.js
+++ b/texthook.js
@@ -1230,6 +1230,10 @@ async function settings_init()
         getvar("font", "");
         getvar("hlfont", "");
         
+        getvar("definition_fontsize", 13);
+        getvar("dict_item_fontsize", 18);
+        getvar("reading_fontsize", 15);
+        
         getvar("alternatives_mode", 3);
         getvar("strict_alternatives", true);
         getvar("definitions_mode", 0);