diff --git a/client/@types/global.d.ts b/client/@types/global.d.ts
index d0f60662..a4bc56c1 100644
--- a/client/@types/global.d.ts
+++ b/client/@types/global.d.ts
@@ -55,6 +55,8 @@ declare const LOC_LIVECHAT_CONFIGURATION_CHANNEL_FORBIDDEN_WORDS_REGEXP_LABEL: s
 declare const LOC_LIVECHAT_CONFIGURATION_CHANNEL_FORBIDDEN_WORDS_REGEXP_DESC: string
 declare const LOC_LIVECHAT_CONFIGURATION_CHANNEL_FORBIDDEN_WORDS_APPLYTOMODERATORS_LABEL: string
 declare const LOC_LIVECHAT_CONFIGURATION_CHANNEL_FORBIDDEN_WORDS_APPLYTOMODERATORS_DESC: string
+declare const LOC_LIVECHAT_CONFIGURATION_CHANNEL_FORBIDDEN_WORDS_COMMENTS_LABEL: string
+declare const LOC_LIVECHAT_CONFIGURATION_CHANNEL_FORBIDDEN_WORDS_COMMENTS_DESC: string
 declare const LOC_LIVECHAT_CONFIGURATION_CHANNEL_COMMAND_LABEL: string
 declare const LOC_LIVECHAT_CONFIGURATION_CHANNEL_COMMAND_DESC: string
 declare const LOC_LIVECHAT_CONFIGURATION_CHANNEL_COMMAND_CMD_LABEL: string
diff --git a/client/common/configuration/templates/channel.mustache b/client/common/configuration/templates/channel.mustache
index 402ed1d8..5e7e7840 100644
--- a/client/common/configuration/templates/channel.mustache
+++ b/client/common/configuration/templates/channel.mustache
@@ -101,6 +101,16 @@
             />
             <p class="form-group-description">{{forbiddenWordsReasonDesc}}</p>
           </div>
+          <div class="form-group">
+            <label for="peertube-livechat-forbidden-words-comments-{{fieldNumber}}">{{forbiddenWordsComments}}</label>
+            {{! warning: don't add extra line break in textarea! }}
+            <textarea
+              name="forbidden_words_comments_{{fieldNumber}}"
+              id="peertube-livechat-forbidden-words-comments-{{fieldNumber}}"
+              class="form-control"
+            >{{comments}}</textarea>
+            <p class="form-group-description">{{forbiddenWordsCommentsDesc}}</p>
+          </div>
         </div>
       </div>
     {{/forbiddenWordsArray}}
diff --git a/client/common/configuration/templates/channel.ts b/client/common/configuration/templates/channel.ts
index 3fdeceea..bccdcb49 100644
--- a/client/common/configuration/templates/channel.ts
+++ b/client/common/configuration/templates/channel.ts
@@ -91,6 +91,12 @@ async function fillLabels (
   view.forbiddenWordsApplyToModeratorsDesc = await peertubeHelpers.translate(
     LOC_LIVECHAT_CONFIGURATION_CHANNEL_FORBIDDEN_WORDS_APPLYTOMODERATORS_DESC
   )
+  view.forbiddenWordsComments = await peertubeHelpers.translate(
+    LOC_LIVECHAT_CONFIGURATION_CHANNEL_FORBIDDEN_WORDS_COMMENTS_LABEL
+  )
+  view.forbiddenWordsCommentsDesc = await peertubeHelpers.translate(
+    LOC_LIVECHAT_CONFIGURATION_CHANNEL_FORBIDDEN_WORDS_COMMENTS_DESC
+  )
   view.quoteLabel = await peertubeHelpers.translate(LOC_LIVECHAT_CONFIGURATION_CHANNEL_QUOTE_LABEL)
   view.quoteDesc = await peertubeHelpers.translate(LOC_LIVECHAT_CONFIGURATION_CHANNEL_QUOTE_DESC)
   view.quoteDesc2 = await peertubeHelpers.translate(LOC_LIVECHAT_CONFIGURATION_CHANNEL_QUOTE_DESC2)
diff --git a/client/common/configuration/templates/logic/channel.ts b/client/common/configuration/templates/logic/channel.ts
index 26479eec..a78e36ee 100644
--- a/client/common/configuration/templates/logic/channel.ts
+++ b/client/common/configuration/templates/logic/channel.ts
@@ -43,7 +43,8 @@ async function getConfigurationChannelViewData (
       joinedEntries: fw.entries.join('\n'),
       regexp: !!fw.regexp,
       applyToModerators: fw.applyToModerators,
-      reason: fw.reason
+      reason: fw.reason,
+      comments: fw.comments
     })
   }
   // Ensuring we have at least N blocks:
@@ -57,7 +58,8 @@ async function getConfigurationChannelViewData (
       joinedEntries: '',
       regexp: false,
       applyToModerators: false,
-      reason: ''
+      reason: '',
+      comments: ''
     })
     continue
   }
@@ -231,6 +233,7 @@ async function vivifyConfigurationChannel (
       const regexp = data.get('forbidden_words_regexp_' + i.toString())
       const applyToModerators = data.get('forbidden_words_applytomoderators_' + i.toString())
       const reason = data.get('forbidden_words_reason_' + i.toString())?.toString()
+      const comments = data.get('forbidden_words_comments_' + i.toString())?.toString()
       const fw: ChannelConfigurationOptions['bot']['forbiddenWords'][0] = {
         entries,
         applyToModerators: !!applyToModerators,
@@ -239,6 +242,9 @@ async function vivifyConfigurationChannel (
       if (reason) {
         fw.reason = reason
       }
+      if (comments) {
+        fw.comments = comments
+      }
       channelConfigurationOptions.bot.forbiddenWords.push(fw)
     }
 
diff --git a/languages/en.yml b/languages/en.yml
index 2acfeb83..54f502e3 100644
--- a/languages/en.yml
+++ b/languages/en.yml
@@ -336,6 +336,10 @@ livechat_configuration_channel_forbidden_words_applytomoderators_label:  "Also m
 livechat_configuration_channel_forbidden_words_applytomoderators_desc: |
   By default, moderator messages will not be deleted when containing forbidden words.
   By checking this option, messages from moderators will also be deleted.
+livechat_configuration_channel_forbidden_words_comments_label:  "Comments"
+livechat_configuration_channel_forbidden_words_comments_desc: |
+  You can add here some comments about this rule, to remember how and why you created it.
+  These comments are purely indicative, and have no influence on the bot's behavior.
 livechat_configuration_channel_quote_label: "Pre-recorded messages"
 livechat_configuration_channel_quote_desc: |
   You can configure several pre-recorded messages.
diff --git a/server/lib/configuration/channel/sanitize.ts b/server/lib/configuration/channel/sanitize.ts
index 86920a96..8dcec66d 100644
--- a/server/lib/configuration/channel/sanitize.ts
+++ b/server/lib/configuration/channel/sanitize.ts
@@ -105,6 +105,19 @@ function _readStringArray (data: any, f: string): string[] {
   return result
 }
 
+function _readMultiLineString (data: any, f: string): string {
+  if (!(f in data)) {
+    return ''
+  }
+  if (typeof data[f] !== 'string') {
+    throw new Error('Invalid data type for field ' + f)
+  }
+  // Removing control characters.
+  // eslint-disable-next-line no-control-regex
+  const s = (data[f] as string).replace(/[\u0000-\u001F\u007F-\u009F]/g, '')
+  return s
+}
+
 async function _readRegExpArray (data: any, f: string): Promise<string[]> {
   // Note: this function can instanciate a lot of RegExp.
   // To avoid freezing the server, we make it async, and will validate each regexp in a separate tick.
@@ -153,12 +166,14 @@ async function _readForbiddenWords (botData: any): Promise<ChannelConfigurationO
     }
     const applyToModerators = _readBoolean(fw, 'applyToModerators')
     const reason = fw.reason ? _readSimpleInput(fw, 'reason') : undefined
+    const comments = fw.comments ? _readMultiLineString(fw, 'comments') : undefined
 
     result.push({
       regexp,
       entries,
       applyToModerators,
-      reason
+      reason,
+      comments
     })
   }
   return result
diff --git a/shared/lib/types.ts b/shared/lib/types.ts
index e75c5205..09138911 100644
--- a/shared/lib/types.ts
+++ b/shared/lib/types.ts
@@ -61,6 +61,7 @@ interface ChannelConfigurationOptions {
       regexp?: boolean
       applyToModerators?: boolean
       reason?: string
+      comments?: string
     }>
     quotes: Array<{
       messages: string[]
diff --git a/support/documentation/content/en/documentation/user/streamers/bot/forbidden_words.md b/support/documentation/content/en/documentation/user/streamers/bot/forbidden_words.md
index f0198191..b40a875b 100644
--- a/support/documentation/content/en/documentation/user/streamers/bot/forbidden_words.md
+++ b/support/documentation/content/en/documentation/user/streamers/bot/forbidden_words.md
@@ -52,3 +52,7 @@ By checking this option, each line of the "{{% livechat_label livechat_configura
 ## {{% livechat_label livechat_configuration_channel_forbidden_words_reason_label %}}
 
 {{% livechat_label livechat_configuration_channel_forbidden_words_reason_desc %}}
+
+## {{% livechat_label livechat_configuration_channel_forbidden_words_comments_label %}}
+
+{{% livechat_label livechat_configuration_channel_forbidden_words_comments_desc %}}