diff --git a/src/api/actor.api.ts b/src/api/actor.api.ts
index 38cb9b70..45410e5e 100644
--- a/src/api/actor.api.ts
+++ b/src/api/actor.api.ts
@@ -13,7 +13,7 @@ export const actorParameters = async (): Promise<
   const token = getProcessToken() ?? (await getToken());
 
   if (isNullish(token)) {
-    console.log(`${red('No controller found.')} Are you logged in?`);
+    console.log(`${red('No access key found.')} Are you logged in?`);
     process.exit(1);
   }
 
diff --git a/src/api/agent.api.ts b/src/api/agent.api.ts
index ab0b926c..6741184f 100644
--- a/src/api/agent.api.ts
+++ b/src/api/agent.api.ts
@@ -48,7 +48,7 @@ export const initAgent = async (params?: Omit<ActorParameters, 'agent'>): Promis
   const {identity, ...rest} = params ?? (await actorParameters());
 
   if (REVOKED_CONTROLLERS.includes(identity.getPrincipal().toText())) {
-    throw new Error('The controller has been revoked for security reason!');
+    throw new Error('The access key has been revoked for security reason!');
   }
 
   return await agent.getAgent({identity, ...rest});
diff --git a/src/commands/auth.ts b/src/commands/auth.ts
index 0291e9dc..a3dd56d7 100644
--- a/src/commands/auth.ts
+++ b/src/commands/auth.ts
@@ -22,17 +22,15 @@ export const login = async (args?: string[]) => {
   }
 
   const identity = Ed25519KeyIdentity.fromParsedJson(token);
-  console.log(
-    `🔐 Your terminal is already a controller: ${green(identity.getPrincipal().toText())}\n`
-  );
+  console.log(`🔐 Your terminal already has access: ${green(identity.getPrincipal().toText())}\n`);
 
   const {action}: {action: string} = await prompts({
     type: 'select',
     name: 'action',
     message: 'What would you like to do?',
     choices: [
-      {title: `Create a new controller via a login with your browser`, value: `login`},
-      {title: `Reuse the existing controller`, value: `reuse`}
+      {title: `Create a new access key by logging in with your browser`, value: `login`},
+      {title: `Reuse the access key used by your CLI`, value: `reuse`}
     ]
   });
 
diff --git a/src/commands/version.ts b/src/commands/version.ts
index 178ea03c..f5e39a2b 100644
--- a/src/commands/version.ts
+++ b/src/commands/version.ts
@@ -73,7 +73,7 @@ const missionControlVersion = async () => {
     console.log(
       `${yellow(
         'No mission control found.'
-      )} Ignore this error if your controller does not control your mission control.`
+      )} This is expected if your access key doesn't manage it.`
     );
     return;
   }
diff --git a/src/commands/whoami.ts b/src/commands/whoami.ts
index b0923ce6..acf2a988 100644
--- a/src/commands/whoami.ts
+++ b/src/commands/whoami.ts
@@ -24,12 +24,12 @@ const info = async (): Promise<{success: boolean}> => {
   const token = await getToken();
 
   if (isNullish(token)) {
-    console.log(`No controller found.`);
+    console.log(`No access key found.`);
     return {success: false};
   }
 
   const identity = Ed25519KeyIdentity.fromParsedJson(token);
-  console.log(`🔐 Controller: ${green(identity.getPrincipal().toText())}`);
+  console.log(`🔐 Access key: ${green(identity.getPrincipal().toText())}`);
 
   return {success: true};
 };
diff --git a/src/constants/help.constants.ts b/src/constants/help.constants.ts
index 361f2a3c..10cd7fbc 100644
--- a/src/constants/help.constants.ts
+++ b/src/constants/help.constants.ts
@@ -12,7 +12,7 @@ export const INIT_DESCRIPTION = 'Set up your project.';
 export const LOGIN_DESCRIPTION =
   'Generate an authentication for use in non-interactive environments.';
 export const LOGOUT_DESCRIPTION =
-  'Log out of the current device. ⚠️  This action does not remove controllers from the module.';
+  'Log out of the current device. ⚠️  This action does not remove the access keys from the module.';
 export const OPEN_DESCRIPTION = 'Open your satellite in your browser.';
 export const SNAPSHOT_DESCRIPTION = 'Handle snapshot-related tasks.';
 export const START_DESCRIPTION = 'Start a module.';
@@ -21,7 +21,7 @@ export const UPGRADE_DESCRIPTION = 'Upgrade a module to a new version.';
 export const USE_DESCRIPTION = 'Switch between multiple profiles.';
 export const VERSION_DESCRIPTION = 'Check the version of the modules and CLI.';
 export const WHOAMI_DESCRIPTION =
-  'Display your current profile, controller, and links to your satellite.';
+  'Display your current profile, access key, and links to your satellite.';
 
 export const DEV_START_DESCRIPTION = 'Start a local Internet Computer network in a container.';
 
diff --git a/src/services/controllers.services.ts b/src/services/controllers.services.ts
index 5cb2e819..8ce7ab0f 100644
--- a/src/services/controllers.services.ts
+++ b/src/services/controllers.services.ts
@@ -13,7 +13,7 @@ export const reuseController = async (controller: Principal) => {
   const segment = await selectSegment();
 
   console.log(
-    `Before you finish setting things up, you'll need to add the controller to ${displaySegment(segment)} in Juno's console.\n\nFollow these steps:`
+    `Before you finish setting things up, you'll need to add the access key to ${displaySegment(segment)} in Juno's console.\n\nFollow these steps:`
   );
 
   await setControllerManually({controller, segment});
@@ -23,7 +23,7 @@ export const reuseController = async (controller: Principal) => {
     name: 'segmentId',
     message: `Good. So, what's the ${green(
       `${displaySegment(segment)} ID`
-    )} to which you just added the controller?`
+    )} to which you just added the access key?`
   });
 
   if (segmentId === undefined) {
@@ -105,10 +105,10 @@ const selectSegment = async (): Promise<AssetKey> => {
   const {segment}: {segment: AssetKey} = await prompts({
     type: 'select',
     name: 'segment',
-    message: 'Which new segment would you like to authorize with your controller?',
+    message: 'Which module would you like to authorize with your access key?',
     choices: [
       {title: 'A satellite', value: 'satellite'},
-      {title: 'The orbiter for the analytics', value: 'orbiter'},
+      {title: 'The orbiter (analytics)', value: 'orbiter'},
       {title: 'Your mission control', value: 'mission_control'}
     ],
     initial: 0
@@ -144,13 +144,13 @@ const setControllerManually = async ({
     );
   }
 
-  console.log('2. Find the "Controllers" section and click "Add a controller"');
-  console.log('3. Choose "Manually enter a controller"');
-  console.log(`4. Enter your terminal controller ${green(controller.toText())} in the input field`);
-  console.log(`5. Select the ${bold('ADMIN')} scope`);
+  console.log('2. Find the "Access Keys" section and click "Add an access key"');
+  console.log('3. Choose "Enter one manually"');
+  console.log(`4. Paste the access key ID from your terminal: ${green(controller.toText())}`);
+  console.log(`5. Select the ${bold('Admin')} permission`);
   console.log(`6. Click ${bold('Submit')}`);
   console.log(
-    `7. Once it’s successful, copy the ${green(`${displaySegment(segment)} ID`)} where the controller was added\n`
+    `7. After the key is added, copy the ${green(`${displaySegment(segment)} ID`)} displayed\n`
   );
 
   await confirmAndExit('Have you completed this step?');
diff --git a/src/services/login.services.ts b/src/services/login.services.ts
index ef16c8b1..57c33994 100644
--- a/src/services/login.services.ts
+++ b/src/services/login.services.ts
@@ -24,7 +24,7 @@ export const login = async (args?: string[]) => {
   const principal = key.getPrincipal().toText();
   const token = key.toJSON();
 
-  console.log(`\n🔓 Your terminal will take control as: ${green(principal)}`);
+  console.log(`\n🔓 Your terminal will assume admin control as: ${green(principal)}`);
 
   const browser = nextArg({args, option: '-b'}) ?? nextArg({args, option: '--browser'});
 
diff --git a/src/services/modules/snapshot/snapshot.mission-control.services.ts b/src/services/modules/snapshot/snapshot.mission-control.services.ts
index 367930e9..d064dbfb 100644
--- a/src/services/modules/snapshot/snapshot.mission-control.services.ts
+++ b/src/services/modules/snapshot/snapshot.mission-control.services.ts
@@ -32,9 +32,7 @@ const executeSnapshotFn = async ({
   // TODO: this can be a common assertion
   if (isNullish(missionControl)) {
     console.log(
-      `${red(
-        'No mission control found.'
-      )} Ignore this error if your controller does not control your mission control.`
+      `${red('No mission control found.')} This is expected if your access key doesn't manage it.`
     );
     return;
   }
diff --git a/src/services/modules/upgrade/upgrade.mission-control.services.ts b/src/services/modules/upgrade/upgrade.mission-control.services.ts
index 2f0a1933..baa1672b 100644
--- a/src/services/modules/upgrade/upgrade.mission-control.services.ts
+++ b/src/services/modules/upgrade/upgrade.mission-control.services.ts
@@ -22,9 +22,7 @@ export const upgradeMissionControl = async (args?: string[]) => {
 
   if (isNullish(missionControl)) {
     console.log(
-      `${red(
-        'No mission control found.'
-      )} Ignore this error if your controller does not control your mission control.`
+      `${red('No mission control found.')} This is expected if your access key doesn't manage it.`
     );
     return;
   }