diff --git a/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/CHANGELOG.md b/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/CHANGELOG.md
index 9ad47baa79f2c..4d7e41a4dbc3c 100644
--- a/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/CHANGELOG.md
+++ b/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/CHANGELOG.md
@@ -5,6 +5,10 @@
 ### New Features
 - Added support for AAD authentication in `MetricsAdvisorClient` and `MetricsAdvisorAdministrationClient`.
 
+### Breaking Changes
+- In `MetricsAdvisorKeyCredential`, renamed the parameter `key` to `subscriptionKey` in the method `UpdateSubscriptionKey`.
+- In `MetricsAdvisorKeyCredential`, renamed the parameter `key` to `apiKey` in the method `UpdateApiKey`.
+
 ### Key Bug Fixes
 - Fixed a bug in which setting `WebNotificationHook.CertificatePassword` would actually set the property `Username` instead.
 - Fixed a bug in which an `ArgumentNullException` was thrown when getting a `DataFeed` from the service as a Viewer.
diff --git a/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/api/Azure.AI.MetricsAdvisor.netstandard2.0.cs b/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/api/Azure.AI.MetricsAdvisor.netstandard2.0.cs
index f75951db6a044..bccbc255c8c6f 100644
--- a/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/api/Azure.AI.MetricsAdvisor.netstandard2.0.cs
+++ b/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/api/Azure.AI.MetricsAdvisor.netstandard2.0.cs
@@ -216,8 +216,8 @@ public enum ServiceVersion
     public partial class MetricsAdvisorKeyCredential
     {
         public MetricsAdvisorKeyCredential(string subscriptionKey, string apiKey) { }
-        public void UpdateApiKey(string key) { }
-        public void UpdateSubscriptionKey(string key) { }
+        public void UpdateApiKey(string apiKey) { }
+        public void UpdateSubscriptionKey(string subscriptionKey) { }
     }
 }
 namespace Azure.AI.MetricsAdvisor.Administration
diff --git a/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/src/MetricsAdvisorKeyCredential.cs b/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/src/MetricsAdvisorKeyCredential.cs
index b7ce4b75343e9..a8139bb1b3947 100644
--- a/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/src/MetricsAdvisorKeyCredential.cs
+++ b/sdk/metricsadvisor/Azure.AI.MetricsAdvisor/src/MetricsAdvisorKeyCredential.cs
@@ -20,8 +20,8 @@ public class MetricsAdvisorKeyCredential
         /// <summary>
         /// Initializes a new instance of the <see cref="MetricsAdvisorKeyCredential"/> class.
         /// </summary>
-        /// <param name="subscriptionKey">Key to use to authenticate with the Azure service.</param>
-        /// <param name="apiKey">Key to use to authenticate the user with the Metrics Advisor service. Used to identify administrators.</param>
+        /// <param name="subscriptionKey">The subscription key to use to authenticate with the Azure service.</param>
+        /// <param name="apiKey">The API key to use to authenticate the user with the Metrics Advisor service. Used to identify administrators.</param>
         /// <exception cref="ArgumentNullException"><paramref name="subscriptionKey"/> or <paramref name="apiKey"/> is null.</exception>
         /// <exception cref="ArgumentException"><paramref name="subscriptionKey"/> or <paramref name="apiKey"/> is empty.</exception>
         public MetricsAdvisorKeyCredential(string subscriptionKey, string apiKey)
@@ -43,29 +43,29 @@ internal string ApiKey
         }
 
         /// <summary>
-        /// Updates the service key. This is intended to be used when you've regenerated
-        /// your service key and want to update long lived clients.
+        /// Updates the subscription key. This is intended to be used when you've regenerated
+        /// your subscription key and want to update long lived clients.
         /// </summary>
-        /// <param name="key">Key to authenticate the service against.</param>
-        /// <exception cref="ArgumentNullException"><paramref name="key"/> is null.</exception>
-        /// <exception cref="ArgumentException"><paramref name="key"/> is empty.</exception>
-        public void UpdateSubscriptionKey(string key)
+        /// <param name="subscriptionKey">The subscription key to authenticate the service against.</param>
+        /// <exception cref="ArgumentNullException"><paramref name="subscriptionKey"/> is null.</exception>
+        /// <exception cref="ArgumentException"><paramref name="subscriptionKey"/> is empty.</exception>
+        public void UpdateSubscriptionKey(string subscriptionKey)
         {
-            Argument.AssertNotNullOrEmpty(key, nameof(key));
-            SubscriptionKey = key;
+            Argument.AssertNotNullOrEmpty(subscriptionKey, nameof(subscriptionKey));
+            SubscriptionKey = subscriptionKey;
         }
 
         /// <summary>
         /// Updates the API key. This is intended to be used when you've regenerated your
         /// API key and want to update long lived clients.
         /// </summary>
-        /// <param name="key">Key to use to authenticate the user with the Metrics Advisor service. Used to identify administrators.</param>
-        /// <exception cref="ArgumentNullException"><paramref name="key"/> is null.</exception>
-        /// <exception cref="ArgumentException"><paramref name="key"/> is empty.</exception>
-        public void UpdateApiKey(string key)
+        /// <param name="apiKey">The API key to use to authenticate the user with the Metrics Advisor service. Used to identify administrators.</param>
+        /// <exception cref="ArgumentNullException"><paramref name="apiKey"/> is null.</exception>
+        /// <exception cref="ArgumentException"><paramref name="apiKey"/> is empty.</exception>
+        public void UpdateApiKey(string apiKey)
         {
-            Argument.AssertNotNullOrEmpty(key, nameof(key));
-            ApiKey = key;
+            Argument.AssertNotNullOrEmpty(apiKey, nameof(apiKey));
+            ApiKey = apiKey;
         }
     }
 }