typo on method documentation (Azure#30059)

Author: goenning

sdk/identity/Azure.Identity/src/Credentials/EnvironmentCredential.cs

@@ -120,7 +120,7 @@ public override AccessToken GetToken(TokenRequestContext requestContext, Cancell
         /// This method is called automatically by Azure SDK client libraries. You may call this method directly, but you must also handle token caching and token refreshing.
         /// </summary>
         /// <remarks>
-        /// If the environment variables AZURE_TENANT_ID, AZURE_CLIENT_ID, and AZURE_CLIENT_SECRET are not specifeid, the default <see cref="AccessToken"/>
+        /// If the environment variables AZURE_TENANT_ID, AZURE_CLIENT_ID, and AZURE_CLIENT_SECRET are not specified, the default <see cref="AccessToken"/>
         /// </remarks>
         /// <param name="requestContext">The details of the authentication request.</param>
         /// <param name="cancellationToken">A <see cref="CancellationToken"/> controlling the request lifetime.</param>