diff --git a/public/script.js b/public/script.js
index 877c932f5..e04a308f8 100644
--- a/public/script.js
+++ b/public/script.js
@@ -5295,14 +5295,13 @@ export function getBiasStrings(textareaText, type) {
  * @param {boolean} isInstruct Whether instruct mode is enabled.
  * @param {boolean|number} forceOutputSequence Whether to force the first/last output sequence for instruct mode.
  */
-
 function formatMessageHistoryItem(chatItem, isInstruct, forceOutputSequence) {
     const isNarratorType = chatItem?.extra?.type === system_message_types.NARRATOR;
     const characterName = chatItem?.name ? chatItem.name : name2;
     const itemName = chatItem.is_user ? chatItem['name'] : characterName;
     const shouldPrependName = !isNarratorType;
 
-    // If this flag is set, completely ignore the message.
+    // If this symbol flag is set, completely ignore the message.
     // This can be used to hide messages without affecting the number of messages in the chat.
     if (chatItem.extra?.[IGNORE_SYMBOL]) {
         return '';
diff --git a/public/scripts/constants.js b/public/scripts/constants.js
index 5daa7b1bc..e1f632905 100644
--- a/public/scripts/constants.js
+++ b/public/scripts/constants.js
@@ -17,6 +17,7 @@ export const debounce_timeout = {
 
 /*
 Used as an ephemeral key in message extra metadata.
-When set, the message will be excluded from context.
+When set, the message will be excluded from generation prompts without affecting the number of chat messages,
+    which is needed to preserve world info timed effects.
  */
 export const IGNORE_SYMBOL = Symbol.for('ignore');
diff --git a/public/scripts/openai.js b/public/scripts/openai.js
index a8f7587a9..30efc6e03 100644
--- a/public/scripts/openai.js
+++ b/public/scripts/openai.js
@@ -528,7 +528,8 @@ function setOpenAIMessages(chat) {
         let role = chat[j]['is_user'] ? 'user' : 'assistant';
         let content = chat[j]['mes'];
 
-        // If this flag is set, completely ignore the message
+        // If this flag is set, completely ignore the message.
+        // This can be used to hide messages without affecting the number of messages in the chat.
         if (chat[j].extra?.[IGNORE_SYMBOL]) {
             j++;
             continue;