diff --git a/package.json b/package.json
index 395dc8f..3d5e64d 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mod-box",
   "private": true,
-  "version": "0.2.3",
+  "version": "0.2.4",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/public/manifest.json b/public/manifest.json
index 34cdeeb..b5e51b4 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -3,7 +3,7 @@
   "name": "ModBox – Modify headers, block requests",
   "short_name": "ModBox",
   "description": "Modify HTTP headers, block assets or domains & redirect requests. Organise rules by folder and tab, optionally scope to domains.",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "author": {
     "email": "robertjamesphillips@googlemail.com"
   },
diff --git a/readme.md b/readme.md
index 269807a..207c19c 100644
--- a/readme.md
+++ b/readme.md
@@ -3,8 +3,6 @@
 # ModBox
 A compact and easy to use extension for modifying HTTP request & response headers and blocking HTTP requests.
 
-
-
 ## Features
 - Create rules to modify HTTP request and response headers
 - Create rules to block HTTP request & even block entire sites
diff --git a/src/components/Editor.vue b/src/components/Editor.vue
index f5d87e7..66143be 100644
--- a/src/components/Editor.vue
+++ b/src/components/Editor.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="editor" :class="{'editor--align-right': aligned === 'right', 'editor--open': isEditing && aligned === 'right'}">
     <button
-      v-if="!domains"
+      v-if="!domains && !icon"
       @click="edit"
       class="editor__trigger"
       :class="{
@@ -14,6 +14,19 @@
     
     </button>
 
+    <button
+      v-if="icon"
+      @click="edit"
+      class="editor__trigger editor__trigger--icon"
+      :title="model || ''"
+    >
+      <svg v-if="model" xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-info-circle" viewBox="0 0 16 16">
+        <path d="M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14m0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16"/>
+        <path d="m8.93 6.588-2.29.287-.082.38.45.083c.294.07.352.176.288.469l-.738 3.468c-.194.897.105 1.319.808 1.319.545 0 1.178-.252 1.465-.598l.088-.416c-.2.176-.492.246-.686.246-.275 0-.375-.193-.304-.533zM9 4.5a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/>
+      </svg>
+      <template v-else>-</template>
+    </button>
+
     <div v-if="domains && splitDomains" class="editor__domains">
       <button
         v-if="splitDomains.length > 0"
@@ -77,7 +90,7 @@ import { cleanDomain } from "../utils";
 import Tooltip from "./Tooltip.vue";
 
 const model = defineModel<string>();
-const props = defineProps(["placeholder", "locked", "fallback", "domains", "label", "aligned"]);
+const props = defineProps(["placeholder", "locked", "fallback", "domains", "label", "aligned", "icon"]);
 
 const input: Ref<HTMLTextAreaElement | null> = ref(null);
 const isEditing = ref(false);
diff --git a/src/components/Tab.vue b/src/components/Tab.vue
index 562fc0b..001923b 100644
--- a/src/components/Tab.vue
+++ b/src/components/Tab.vue
@@ -133,6 +133,7 @@
 
             <!-- <Tooltip> Single or comma separated domains </Tooltip> -->
           </th>
+          <th>Note</th>
           <th></th>
         </tr>
 
@@ -181,6 +182,15 @@
               :domains="true"
             />
           </td>
+          <td class="table__short">
+            <Editor
+              v-model="header.note"
+              placeholder="Note"
+              :icon="true"
+              :aligned="'right'"
+              label="Note"
+            />
+          </td>
           <td class="table__short text-right">
             <DropdownMenu :options="requestActions" :rule="header" />
           </td>
@@ -217,6 +227,7 @@
             Domains
             <!-- <Tooltip>Single or comma separated domains</Tooltip> -->
           </th>
+          <th>Note</th>
           <th></th>
         </tr>
         <RuleDragger
@@ -264,6 +275,15 @@
               :aligned="'right'"
             />
           </td>
+          <td class="table__short">
+            <Editor
+              v-model="header.note"
+              placeholder="Note"
+              :icon="true"
+              :aligned="'right'"
+              label="Note"
+            />
+          </td>
           <td class="table__short text-right">
             <DropdownMenu :options="responseActions" :rule="header" />
           </td>
@@ -298,6 +318,7 @@
             Domains
             <!-- <Tooltip> Single or comma separated domains</Tooltip> -->
           </th>
+          <th>Note</th>
           <th class="table__short"></th>
         </tr>
         <RuleDragger
@@ -344,6 +365,15 @@
               :aligned="'right'"
             />
           </td>
+          <td class="table__short">
+            <Editor
+              v-model="request.note"
+              placeholder="Note"
+              :icon="true"
+              :aligned="'right'"
+              label="Note"
+            />
+          </td>
           <td class="table__short text-right">
             <DropdownMenu :options="blockActions" :rule="request" />
           </td>
@@ -381,6 +411,7 @@
             Domains
             <!-- <Tooltip> Single or comma separated domains</Tooltip> -->
           </th>
+          <th>Note</th>
           <th class="table__short"></th>
         </tr>
         <!-- <tr v-for="request in tab.redirectRequests"> -->
@@ -423,6 +454,15 @@
               :aligned="'right'"
             />
           </td>
+          <td class="table__short">
+            <Editor
+              v-model="request.note"
+              placeholder="Note"
+              :icon="true"
+              :aligned="'right'"
+              label="Note"
+            />
+          </td>
           <td class="table__short text-right">
             <DropdownMenu :options="redirectActions" :rule="request" />
           </td>
@@ -686,6 +726,7 @@ function addRequestHeader() {
     active: true,
     name: "",
     value: "",
+    note: "",
     condition: {
       urlFilter: "",
       requestDomains: "",
@@ -698,6 +739,7 @@ function addResponseHeader() {
     active: true,
     name: "",
     value: "",
+    note: "",
     condition: {
       urlFilter: "",
       requestDomains: "",
@@ -708,6 +750,7 @@ function addResponseHeader() {
 function addBlockedRequest() {
   tab.value.blockedRequests.push({
     active: true,
+    note: "",
     condition: {
       urlFilter: "",
       requestDomains: "",
@@ -724,6 +767,7 @@ function addRedirectRequest() {
   tab.value.redirectRequests.push({
     active: true,
     url: "",
+    note: "",
     condition: {
       urlFilter: "",
       requestDomains: "",
diff --git a/src/interfaces.test.ts b/src/interfaces.test.ts
index 54b47e6..f0ce280 100644
--- a/src/interfaces.test.ts
+++ b/src/interfaces.test.ts
@@ -104,6 +104,18 @@ describe('Type Guards', () => {
     it('returns false for invalid condition', () => {
       expect(isValidHeaderRule({ ...validRule, condition: 'invalid' })).toBe(false);
     });
+
+    it('returns true with a string note', () => {
+      expect(isValidHeaderRule({ ...validRule, note: 'some note' })).toBe(true);
+    });
+
+    it('returns true without note (undefined)', () => {
+      expect(isValidHeaderRule(validRule)).toBe(true);
+    });
+
+    it('returns false for non-string note', () => {
+      expect(isValidHeaderRule({ ...validRule, note: 123 })).toBe(false);
+    });
   });
 
   describe('isValidBlockedRequest', () => {
@@ -123,6 +135,18 @@ describe('Type Guards', () => {
     it('returns false for missing condition', () => {
       expect(isValidBlockedRequest({ active: true })).toBe(false);
     });
+
+    it('returns true with a string note', () => {
+      expect(isValidBlockedRequest({ ...validBlock, note: 'block note' })).toBe(true);
+    });
+
+    it('returns true without note (undefined)', () => {
+      expect(isValidBlockedRequest(validBlock)).toBe(true);
+    });
+
+    it('returns false for non-string note', () => {
+      expect(isValidBlockedRequest({ ...validBlock, note: true })).toBe(false);
+    });
   });
 
   describe('isValidRedirectRequest', () => {
@@ -144,6 +168,18 @@ describe('Type Guards', () => {
     it('returns false for non-string url', () => {
       expect(isValidRedirectRequest({ ...validRedirect, url: 123 })).toBe(false);
     });
+
+    it('returns true with a string note', () => {
+      expect(isValidRedirectRequest({ ...validRedirect, note: 'redirect note' })).toBe(true);
+    });
+
+    it('returns true without note (undefined)', () => {
+      expect(isValidRedirectRequest(validRedirect)).toBe(true);
+    });
+
+    it('returns false for non-string note', () => {
+      expect(isValidRedirectRequest({ ...validRedirect, note: 42 })).toBe(false);
+    });
   });
 
   describe('isValidTab', () => {
diff --git a/src/interfaces.ts b/src/interfaces.ts
index 441afb0..4339ea2 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -9,17 +9,20 @@ export interface HeaderRule {
   name: string;
   value: string;
   operation?: 'set' | 'remove';
+  note?: string;
   condition: RuleCondition;
 }
 
 export interface BlockedRequest {
   active: boolean;
+  note?: string;
   condition: RuleCondition;
 }
 
 export interface RedirectRequest {
   active: boolean;
   url: string;
+  note?: string;
   condition: Omit<RuleCondition, 'document'>;
 }
 
@@ -70,6 +73,7 @@ export function isValidHeaderRule(obj: unknown): obj is HeaderRule {
     typeof rule.name === 'string' &&
     typeof rule.value === 'string' &&
     (rule.operation === undefined || rule.operation === 'set' || rule.operation === 'remove') &&
+    (rule.note === undefined || typeof rule.note === 'string') &&
     isValidRuleCondition(rule.condition)
   );
 }
@@ -79,6 +83,7 @@ export function isValidBlockedRequest(obj: unknown): obj is BlockedRequest {
   const rule = obj as Record<string, unknown>;
   return (
     typeof rule.active === 'boolean' &&
+    (rule.note === undefined || typeof rule.note === 'string') &&
     isValidRuleCondition(rule.condition)
   );
 }
@@ -89,6 +94,7 @@ export function isValidRedirectRequest(obj: unknown): obj is RedirectRequest {
   return (
     typeof rule.active === 'boolean' &&
     typeof rule.url === 'string' &&
+    (rule.note === undefined || typeof rule.note === 'string') &&
     rule.condition !== null &&
     typeof rule.condition === 'object' &&
     typeof (rule.condition as Record<string, unknown>).urlFilter === 'string' &&
diff --git a/src/style.scss b/src/style.scss
index bca2350..25f3a8c 100644
--- a/src/style.scss
+++ b/src/style.scss
@@ -1060,14 +1060,20 @@ hr {
     }
 
     svg {
-      width: 10px;
+      width: 12px;
       vertical-align: middle;
       display: inline-block;
       opacity: 0;
     }
+
+    &--icon svg {
+      opacity: 1;
+      // width: 16px;
+    }
     
     &:hover svg {
       opacity: 1;
+      fill: #000;
     }
   }