diff --git a/.github/actions/spelling/allow.txt b/.github/actions/spelling/allow.txt
index a8b63ee2..c7df08aa 100644
--- a/.github/actions/spelling/allow.txt
+++ b/.github/actions/spelling/allow.txt
@@ -1,3 +1,5 @@
+acr
+ACR
 aic
 amd
 anyfield
@@ -14,6 +16,7 @@ argoprojlabs
 args
 auths
 aws
+azurecr
 babayaga
 baralias
 baz
@@ -217,6 +220,7 @@ TODO
 toolchain
 Torvalds
 Tracef
+tsv
 uber
 unmarshal
 unmarshals
diff --git a/docs/configuration/registries.md b/docs/configuration/registries.md
index 79a43f10..3e782d4a 100644
--- a/docs/configuration/registries.md
+++ b/docs/configuration/registries.md
@@ -335,8 +335,8 @@ You can authenticate against an Azure Container Registry using Azure Managed Ide
 ```yaml
 registries:
 - name: ACR example with external script
-  api_url: https://acrexample.azurecr.io/
-  prefix: acrexample.azurecr.io
+  api_url: https://acr-example.azurecr.io/
+  prefix: acr-example.azurecr.io
   credentials: ext:/app/scripts/acr-login.sh
   credsexpire: 10h
 ```
@@ -347,7 +347,7 @@ The script should contain the name of the registry:
   acr-login.sh: |
     #!/bin/sh
     LOGIN=$(az login --identity)
-    REGISTRY="acrexample"
+    REGISTRY="acr-example"
     TOKEN=$(az acr login --name $REGISTRY --expose-token --output tsv --query accessToken)
     echo "00000000-0000-0000-0000-000000000000:$TOKEN"
 ```