diff --git a/src/public/app/widgets/type_widgets/options/text_notes/text_auto_read_only_size.ts b/src/public/app/widgets/type_widgets/options/text_notes/text_auto_read_only_size.ts
index 7bcd5773f..d719d688d 100644
--- a/src/public/app/widgets/type_widgets/options/text_notes/text_auto_read_only_size.ts
+++ b/src/public/app/widgets/type_widgets/options/text_notes/text_auto_read_only_size.ts
@@ -10,7 +10,10 @@ const TPL = `
 
     <div class="form-group">
         <label for="auto-readonly-size-text">${t("text_auto_read_only_size.label")}</label>
-        <input id="auto-readonly-size-text" class="auto-readonly-size-text form-control options-number-input" type="number" min="0">
+        <div class="input-group">
+            <input id="auto-readonly-size-text" class="auto-readonly-size-text form-control options-number-input" type="number" min="0">
+            <span class="input-group-text">${t("text_auto_read_only_size.unit")}</span>
+        </div>
     </div>
 </div>`;
 
diff --git a/src/public/translations/en/translation.json b/src/public/translations/en/translation.json
index 72e4eba89..03201876b 100644
--- a/src/public/translations/en/translation.json
+++ b/src/public/translations/en/translation.json
@@ -1231,7 +1231,8 @@
   "text_auto_read_only_size": {
     "title": "Automatic Read-Only Size",
     "description": "Automatic read-only note size is the size after which notes will be displayed in a read-only mode (for performance reasons).",
-    "label": "Automatic read-only size (text notes)"
+    "label": "Automatic read-only size (text notes)",
+    "unit": "characters"
   },
   "i18n": {
     "title": "Localization",
diff --git a/src/public/translations/ro/translation.json b/src/public/translations/ro/translation.json
index 0638b9080..a7ca9f86b 100644
--- a/src/public/translations/ro/translation.json
+++ b/src/public/translations/ro/translation.json
@@ -1228,7 +1228,8 @@
   "text_auto_read_only_size": {
     "description": "Marchează pragul în care o notiță de o anumită dimensiune va fi afișată în mod de citire (pentru motive de performanță).",
     "label": "Pragul de dimensiune pentru setarea modului de citire automat (la notițe text)",
-    "title": "Pragul de mod de citire automat"
+    "title": "Pragul de mod de citire automat",
+    "unit": "caractere"
   },
   "theme": {
     "auto_theme": "Temă auto (se adaptează la schema de culori a sistemului)",