Fix region tag names inconsistencies (#418)

Change-Id: I949b1468757a04b4be64071c760d0b3e79c66329

Co-authored-by: pierrick <pierrick@google.com>

Author: PierrickVoulet

google-ads-examples/src/main/java/com/google/ads/googleads/examples/accountmanagement/GetChangeSummary.java

@@ -82,7 +82,7 @@ public static void main(String[] args) {
    * @param googleAdsClient the client instance.
    * @param customerId the customerId for which to retrieve change status.
    */
-  // [START get_account_changes]
+  // [START get_change_summary]
   private void runExample(GoogleAdsClient googleAdsClient, long customerId) {
     String query =
         "SELECT change_status.resource_name, "
@@ -123,7 +123,7 @@ private void runExample(GoogleAdsClient googleAdsClient, long customerId) {
       }
     }
   }
-  // [END get_account_changes]
+  // [END get_change_summary]
 
   /**
    * Each returned row contains all possible changed fields. This function returns the resource name

google-ads-examples/src/main/java/com/google/ads/googleads/examples/extensions/AddSitelinks.java

@@ -106,7 +106,7 @@ public static void main(String[] args) throws IOException {
    * @param campaignId the campaign ID.
    * @throws GoogleAdsException if an API request failed with one or more service errors.
    */
-  // [START add_sitelinks]
+  // [START add_sitelinks_1]
   private void runExample(GoogleAdsClient googleAdsClient, long customerId, long campaignId) {
     String campaignResourceName = ResourceNames.campaign(customerId, campaignId);
 
@@ -139,7 +139,7 @@ private void runExample(GoogleAdsClient googleAdsClient, long customerId, long c
       }
     }
   }
-  // [END add_sitelinks]
+  // [END add_sitelinks_1]
 
   /**
    * Creates a list of ExtensionFeedItems.
@@ -148,7 +148,7 @@ private void runExample(GoogleAdsClient googleAdsClient, long customerId, long c
    * @param customerId the client customer ID.
    * @param campaignResourceName the resource name of the campaign to target.
    */
-  // [START add_sitelinks_1]
+  // [START add_sitelinks]
   private static List<String> createExtensionFeedItems(
       GoogleAdsClient googleAdsClient, long customerId, String campaignResourceName) {
     SitelinkFeedItem sitelinkFeedItem1 =
@@ -260,7 +260,7 @@ private static List<String> createExtensionFeedItems(
       return resourceNames;
     }
   }
-  // [END add_sitelinks_1]
+  // [END add_sitelinks]
 
   /**
    * Creates a new SitelinkFeedItem with the specified attributes.

google-ads-examples/src/main/java/com/google/ads/googleads/examples/remarketing/AddMerchantCenterDynamicRemarketingCampaign.java

@@ -161,7 +161,7 @@ private void runExample(
    * @param campaignBudgetId the campaign budget ID.
    * @throws GoogleAdsException if an API request failed with one or more service errors.
    */
-  // [START add_merchant_center_dynamic_remarketing_campaign]
+  // [START add_merchant_center_dynamic_remarketing_campaign_2]
   private String createCampaign(
       GoogleAdsClient googleAdsClient,
       long customerId,
@@ -208,7 +208,7 @@ private String createCampaign(
       return campaignResourceName;
     }
   }
-  // [END add_merchant_center_dynamic_remarketing_campaign]
+  // [END add_merchant_center_dynamic_remarketing_campaign_2]
 
   /**
    * Creates an ad group for the remarketing campaign.
@@ -254,7 +254,7 @@ private String createAdGroup(
    * @param adGroupResourceName the campaign resource name.
    * @throws GoogleAdsException if an API request failed with one or more service errors.
    */
-  // [START add_merchant_center_dynamic_remarketing_campaign_2]
+  // [START add_merchant_center_dynamic_remarketing_campaign]
   private void createAd(
       GoogleAdsClient googleAdsClient, long customerId, String adGroupResourceName)
       throws IOException {
@@ -329,7 +329,7 @@ private void createAd(
           response.getResults(0).getResourceName());
     }
   }
-  // [END add_merchant_center_dynamic_remarketing_campaign_2]
+  // [END add_merchant_center_dynamic_remarketing_campaign]
 
   /**
    * Adds an image to the Google Ads account.