diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bac256ab..233ab2cf 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -47,6 +47,7 @@ jobs:
 
   # Monitor code coverage and TODO/FIXME-type comments
   health-score:
+    name: Health score
     needs: lint-test
     runs-on: macos-latest
     steps:
@@ -55,6 +56,8 @@ jobs:
         uses: actions/setup-go@v5.4.0
         with:
           go-version: "1.24.2"
+      - name: Check spelling
+        uses: crate-ci/typos@v1.31.1
       - name: Report health score
         uses: slackapi/slack-health-score@v0.1.1
         with:
diff --git a/.typos.toml b/.typos.toml
new file mode 100644
index 00000000..acfb4186
--- /dev/null
+++ b/.typos.toml
@@ -0,0 +1,20 @@
+# Copyright 2022-2025 Salesforce, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+[default]
+extend-ignore-identifiers-re = [
+    "alle",
+    "groupe",
+    "UE1",
+]
diff --git a/cmd/auth/login.go b/cmd/auth/login.go
index 4d03329b..b021cc81 100644
--- a/cmd/auth/login.go
+++ b/cmd/auth/login.go
@@ -47,7 +47,7 @@ func NewLoginCommand(clients *shared.ClientFactory) *cobra.Command {
 		Example: style.ExampleCommandsf([]style.ExampleCommand{
 			{Command: "auth login", Meaning: "Login to a Slack account with prompts"},
 			{Command: "auth login --no-prompt", Meaning: "Login to a Slack account without prompts, this returns a ticket"},
-			{Command: "auth login --challenge 6d0a31c9 --ticket ISQWLiZT0OtMLO3YWNTJO0...", Meaning: "Complete login using ticket and challenge code"},
+			{Command: "auth login --challenge 6d0a31c9 --ticket ISQWLiZT0tOMLO3YWNTJO0...", Meaning: "Complete login using ticket and challenge code"},
 			{Command: "auth login --token xoxp-...", Meaning: "Login with a user token"},
 		}),
 		RunE: func(cmd *cobra.Command, args []string) error {
diff --git a/cmd/auth/token.go b/cmd/auth/token.go
index bdf99c46..4a59a041 100644
--- a/cmd/auth/token.go
+++ b/cmd/auth/token.go
@@ -30,7 +30,7 @@ func NewTokenCommand(clients *shared.ClientFactory) *cobra.Command {
 		Example: style.ExampleCommandsf([]style.ExampleCommand{
 			{Command: "auth token", Meaning: "Create a service token with prompts"},
 			{Command: "auth token --no-prompt", Meaning: "Gather a service token without prompts, this returns a ticket"},
-			{Command: "auth token --challenge 6d0a31c9 --ticket ISQWLiZT0OtMLO3YWNTJO0...", Meaning: "Complete authentication using a ticket and challenge code"},
+			{Command: "auth token --challenge 6d0a31c9 --ticket ISQWLiZT0tOMLO3YWNTJO0...", Meaning: "Complete authentication using a ticket and challenge code"},
 		}),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			serviceTokenFlag = true
diff --git a/docs/reference/commands/slack_auth_login.md b/docs/reference/commands/slack_auth_login.md
index bb481242..99b498a4 100644
--- a/docs/reference/commands/slack_auth_login.md
+++ b/docs/reference/commands/slack_auth_login.md
@@ -20,7 +20,7 @@ $ slack auth login
 $ slack auth login --no-prompt
 
 # Complete login using ticket and challenge code
-$ slack auth login --challenge 6d0a31c9 --ticket ISQWLiZT0OtMLO3YWNTJO0...
+$ slack auth login --challenge 6d0a31c9 --ticket ISQWLiZT0tOMLO3YWNTJO0...
 
 # Login with a user token
 $ slack auth login --token xoxp-...
diff --git a/docs/reference/commands/slack_auth_token.md b/docs/reference/commands/slack_auth_token.md
index ccc99d23..6253fffc 100644
--- a/docs/reference/commands/slack_auth_token.md
+++ b/docs/reference/commands/slack_auth_token.md
@@ -20,7 +20,7 @@ $ slack auth token
 $ slack auth token --no-prompt
 
 # Complete authentication using a ticket and challenge code
-$ slack auth token --challenge 6d0a31c9 --ticket ISQWLiZT0OtMLO3YWNTJO0...
+$ slack auth token --challenge 6d0a31c9 --ticket ISQWLiZT0tOMLO3YWNTJO0...
 ```
 
 ### Options
diff --git a/docs/reference/commands/slack_login.md b/docs/reference/commands/slack_login.md
index baf06d06..108497b0 100644
--- a/docs/reference/commands/slack_login.md
+++ b/docs/reference/commands/slack_login.md
@@ -20,7 +20,7 @@ $ slack auth login
 $ slack auth login --no-prompt
 
 # Complete login using ticket and challenge code
-$ slack auth login --challenge 6d0a31c9 --ticket ISQWLiZT0OtMLO3YWNTJO0...
+$ slack auth login --challenge 6d0a31c9 --ticket ISQWLiZT0tOMLO3YWNTJO0...
 
 # Login with a user token
 $ slack auth login --token xoxp-...
diff --git a/internal/goutils/strings.go b/internal/goutils/strings.go
index 6feee4dc..e19bd93c 100644
--- a/internal/goutils/strings.go
+++ b/internal/goutils/strings.go
@@ -155,7 +155,7 @@ func AddLogWhenValExist(title string, val string) string {
 	return ""
 }
 
-// UpperCaseTrimAll returns a formatted named_entites for trigger ACLs
+// UpperCaseTrimAll returns a formatted named_entities for trigger ACLs
 func UpperCaseTrimAll(namedEntities string) string {
 	return strings.ReplaceAll(strings.ToUpper(namedEntities), " ", "")
 }
diff --git a/internal/iostreams/writer.go b/internal/iostreams/writer.go
index 3ed4ebb7..c59ed590 100644
--- a/internal/iostreams/writer.go
+++ b/internal/iostreams/writer.go
@@ -22,7 +22,7 @@ import (
 	"github.com/slackapi/slack-cli/internal/style"
 )
 
-// Writer contains implementions of io.Writer that log and output provided input
+// Writer contains implementations of io.Writer to log and output provided input
 //
 // Used over Printer when the Write method is needed while still wanting to have
 // outputs formatted and directed to the matching stream