diff --git a/files/en-us/mozilla/add-ons/webextensions/api/browseraction/seticon/index.md b/files/en-us/mozilla/add-ons/webextensions/api/browseraction/seticon/index.md
index 2e7d602304cce3e..528db7dc16eb48b 100644
--- a/files/en-us/mozilla/add-ons/webextensions/api/browseraction/seticon/index.md
+++ b/files/en-us/mozilla/add-ons/webextensions/api/browseraction/seticon/index.md
@@ -38,7 +38,7 @@ let settingIcon = browser.browserAction.setIcon(
         Use a dictionary object to specify multiple `ImageData` objects in different sizes, so the icon does not have to be scaled for a device with a different pixel density. If `imageData` is a dictionary, the value of each property is an `ImageData` object, and its name is its size, like this:
 
         ```js
-        let settingIcon = browser.action.setIcon({
+        let settingIcon = browser.browserAction.setIcon({
           imageData: {
             16: image16,
             32: image32,
@@ -55,7 +55,7 @@ let settingIcon = browser.browserAction.setIcon(
         Use a dictionary object to specify multiple icon files in different sizes, so the icon does not have to be scaled for a device with a different pixel density. If `path` is a dictionary, the value of each property is a relative path, and its name is its size, like this:
 
         ```js
-        let settingIcon = browser.action.setIcon({
+        let settingIcon = browser.browserAction.setIcon({
           path: {
             16: "path/to/image16.jpg",
             32: "path/to/image32.jpg",
diff --git a/files/en-us/mozilla/add-ons/webextensions/api/pageaction/seticon/index.md b/files/en-us/mozilla/add-ons/webextensions/api/pageaction/seticon/index.md
index c1be69c07a2eaca..11e01053be312a1 100644
--- a/files/en-us/mozilla/add-ons/webextensions/api/pageaction/seticon/index.md
+++ b/files/en-us/mozilla/add-ons/webextensions/api/pageaction/seticon/index.md
@@ -36,7 +36,7 @@ let settingIcon = browser.pageAction.setIcon(
         Use a dictionary object to specify multiple `ImageData` objects in different sizes, so the icon does not have to be scaled for a device with a different pixel density. If `imageData` is a dictionary, the value of each property is an `ImageData` object, and its name is its size, like this:
 
         ```js
-        let settingIcon = browser.action.setIcon({
+        let settingIcon = browser.pageAction.setIcon({
           imageData: {
             16: image16,
             32: image32,
@@ -53,7 +53,7 @@ let settingIcon = browser.pageAction.setIcon(
         Use a dictionary object to specify multiple icon files in different sizes, so the icon does not have to be scaled for a device with a different pixel density. If `path` is a dictionary, the value of each property is a relative path, and its name is its size, like this:
 
         ```js
-        let settingIcon = browser.action.setIcon({
+        let settingIcon = browser.pageAction.setIcon({
           path: {
             16: "path/to/image16.jpg",
             32: "path/to/image32.jpg",
diff --git a/files/en-us/mozilla/add-ons/webextensions/api/sidebaraction/seticon/index.md b/files/en-us/mozilla/add-ons/webextensions/api/sidebaraction/seticon/index.md
index 02a6adb07378efd..02a51f72ba741ce 100644
--- a/files/en-us/mozilla/add-ons/webextensions/api/sidebaraction/seticon/index.md
+++ b/files/en-us/mozilla/add-ons/webextensions/api/sidebaraction/seticon/index.md
@@ -48,7 +48,7 @@ let settingIcon = browser.sidebarAction.setIcon(
         Use a dictionary object to specify multiple `ImageData` objects in different sizes, so the icon does not have to be scaled for a device with a different pixel density. If `imageData` is a dictionary, the value of each property is an `ImageData` object, and its name is its size, like this:
 
         ```js
-        let settingIcon = browser.action.setIcon({
+        let settingIcon = browser.sidebarAction.setIcon({
           imageData: {
             16: image16,
             32: image32,
@@ -65,7 +65,7 @@ let settingIcon = browser.sidebarAction.setIcon(
         Use a dictionary object to specify multiple icon files in different sizes, so the icon does not have to be scaled for a device with a different pixel density. If `path` is a dictionary, the value of each property is a relative path, and its name is its size, like this:
 
         ```js
-        let settingIcon = browser.action.setIcon({
+        let settingIcon = browser.sidebarAction.setIcon({
           path: {
             16: "path/to/image16.jpg",
             32: "path/to/image32.jpg",