diff --git a/samples/deid.js b/samples/deid.js
index 94aacdd5..f4ee69c0 100644
--- a/samples/deid.js
+++ b/samples/deid.js
@@ -16,7 +16,7 @@
 'use strict';
 
 function deidentifyWithMask(string, maskingCharacter, numberToMask) {
-  // [START deidentify_masking]
+  // [START dlp_deidentify_masking]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -63,11 +63,11 @@ function deidentifyWithMask(string, maskingCharacter, numberToMask) {
     .catch(err => {
       console.log(`Error in deidentifyWithMask: ${err.message || err}`);
     });
-  // [END deidentify_masking]
+  // [END dlp_deidentify_masking]
 }
 
 function deidentifyWithFpe(string, alphabet, keyName, wrappedKey) {
-  // [START deidentify_fpe]
+  // [START dlp_deidentify_fpe]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -123,7 +123,7 @@ function deidentifyWithFpe(string, alphabet, keyName, wrappedKey) {
     .catch(err => {
       console.log(`Error in deidentifyWithFpe: ${err.message || err}`);
     });
-  // [END deidentify_fpe]
+  // [END dlp_deidentify_fpe]
 }
 
 const cli = require(`yargs`)
diff --git a/samples/inspect.js b/samples/inspect.js
index d8fad363..d25acec7 100644
--- a/samples/inspect.js
+++ b/samples/inspect.js
@@ -26,7 +26,7 @@ function inspectString(
   infoTypes,
   includeQuote
 ) {
-  // [START inspect_string]
+  // [START dlp_inspect_string]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -83,7 +83,7 @@ function inspectString(
     .catch(err => {
       console.log(`Error in inspectString: ${err.message || err}`);
     });
-  // [END inspect_string]
+  // [END dlp_inspect_string]
 }
 
 function inspectFile(
@@ -93,7 +93,7 @@ function inspectFile(
   infoTypes,
   includeQuote
 ) {
-  // [START inspect_file]
+  // [START dlp_inspect_file]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -155,7 +155,7 @@ function inspectFile(
     .catch(err => {
       console.log(`Error in inspectFile: ${err.message || err}`);
     });
-  // [END inspect_file]
+  // [END dlp_inspect_file]
 }
 
 function promiseInspectGCSFile(
@@ -165,7 +165,7 @@ function promiseInspectGCSFile(
   maxFindings,
   infoTypes
 ) {
-  // [START inspect_gcs_file_promise]
+  // [START dlp_inspect_gcs]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -236,7 +236,7 @@ function promiseInspectGCSFile(
     .catch(err => {
       console.log(`Error in promiseInspectGCSFile: ${err.message || err}`);
     });
-  // [END inspect_gcs_file_promise]
+  // [END dlp_inspect_gcs]
 }
 
 function eventInspectGCSFile(
@@ -246,7 +246,7 @@ function eventInspectGCSFile(
   maxFindings,
   infoTypes
 ) {
-  // [START inspect_gcs_file_event]
+  // [START dlp_inspect_gcs_event]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -332,7 +332,7 @@ function eventInspectGCSFile(
     .catch(err => {
       console.log(`Error in eventInspectGCSFile: ${err.message || err}`);
     });
-  // [END inspect_gcs_file_event]
+  // [END dlp_inspect_gcs_event]
 }
 
 function inspectDatastore(
@@ -344,7 +344,7 @@ function inspectDatastore(
   infoTypes
   // includeQuote
 ) {
-  // [START inspect_datastore]
+  // [START dlp_inspect_datastore]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -424,7 +424,7 @@ function inspectDatastore(
     .catch(err => {
       console.log(`Error in inspectDatastore: ${err.message || err}`);
     });
-  // [END inspect_datastore]
+  // [END dlp_inspect_datastore]
 }
 
 function inspectBigquery(
@@ -436,7 +436,7 @@ function inspectBigquery(
   infoTypes
   // includeQuote
 ) {
-  // [START inspect_bigquery]
+  // [START dlp_inspect_bigquery]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -513,7 +513,7 @@ function inspectBigquery(
     .catch(err => {
       console.log(`Error in inspectBigquery: ${err.message || err}`);
     });
-  // [END inspect_bigquery]
+  // [END dlp_inspect_bigquery]
 }
 
 const cli = require(`yargs`) // eslint-disable-line
diff --git a/samples/metadata.js b/samples/metadata.js
index 76044814..b19a362f 100644
--- a/samples/metadata.js
+++ b/samples/metadata.js
@@ -16,7 +16,7 @@
 'use strict';
 
 function listInfoTypes(category, languageCode) {
-  // [START list_info_types]
+  // [START dlp_list_info_types]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -44,11 +44,11 @@ function listInfoTypes(category, languageCode) {
     .catch(err => {
       console.log(`Error in listInfoTypes: ${err.message || err}`);
     });
-  // [END list_info_types]
+  // [END dlp_list_info_types]
 }
 
 function listRootCategories(languageCode) {
-  // [START list_categories]
+  // [START dlp_list_categories]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -72,7 +72,7 @@ function listRootCategories(languageCode) {
     .catch(err => {
       console.log(`Error in listRootCategories: ${err.message || err}`);
     });
-  // [END list_categories]
+  // [END dlp_list_categories]
 }
 
 const cli = require(`yargs`)
diff --git a/samples/quickstart.js b/samples/quickstart.js
index 09f54af2..587c57f0 100644
--- a/samples/quickstart.js
+++ b/samples/quickstart.js
@@ -15,7 +15,7 @@
 
 'use strict';
 
-// [START quickstart]
+// [START dlp_quickstart]
 // Imports the Google Cloud Data Loss Prevention library
 const DLP = require('@google-cloud/dlp');
 
@@ -72,4 +72,4 @@ dlp
   .catch(err => {
     console.error(`Error in inspectString: ${err.message || err}`);
   });
-// [END quickstart]
+// [END dlp_quickstart]
diff --git a/samples/redact.js b/samples/redact.js
index 934a00ee..b9eb8e0b 100644
--- a/samples/redact.js
+++ b/samples/redact.js
@@ -16,7 +16,7 @@
 'use strict';
 
 function redactString(string, replaceString, minLikelihood, infoTypes) {
-  // [START redact_string]
+  // [START dlp_redact_string]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -62,11 +62,11 @@ function redactString(string, replaceString, minLikelihood, infoTypes) {
     .catch(err => {
       console.log(`Error in redactString: ${err.message || err}`);
     });
-  // [END redact_string]
+  // [END dlp_redact_string]
 }
 
 function redactImage(filepath, minLikelihood, infoTypes, outputPath) {
-  // [START redact_image]
+  // [START dlp_redact_image]
   // Imports required Node.js libraries
   const mime = require('mime');
   const fs = require('fs');
@@ -118,7 +118,7 @@ function redactImage(filepath, minLikelihood, infoTypes, outputPath) {
     .catch(err => {
       console.log(`Error in redactImage: ${err.message || err}`);
     });
-  // [END redact_image]
+  // [END dlp_redact_image]
 }
 
 const cli = require(`yargs`)
diff --git a/samples/risk.js b/samples/risk.js
index 18b9a1fc..ae9375e2 100644
--- a/samples/risk.js
+++ b/samples/risk.js
@@ -16,7 +16,7 @@
 'use strict';
 
 function numericalRiskAnalysis(projectId, datasetId, tableId, columnName) {
-  // [START numerical_risk]
+  // [START dlp_numerical_stats]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -91,11 +91,11 @@ function numericalRiskAnalysis(projectId, datasetId, tableId, columnName) {
     .catch(err => {
       console.log(`Error in numericalRiskAnalysis: ${err.message || err}`);
     });
-  // [END numerical_risk]
+  // [END dlp_numerical_stats]
 }
 
 function categoricalRiskAnalysis(projectId, datasetId, tableId, columnName) {
-  // [START categorical_risk]
+  // [START dlp_categorical_stats]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -162,11 +162,11 @@ function categoricalRiskAnalysis(projectId, datasetId, tableId, columnName) {
     .catch(err => {
       console.log(`Error in categoricalRiskAnalysis: ${err.message || err}`);
     });
-  // [END categorical_risk]
+  // [END dlp_categorical_stats]
 }
 
 function kAnonymityAnalysis(projectId, datasetId, tableId, quasiIds) {
-  // [START k_anonymity]
+  // [START dlp_k_anonymity]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -230,7 +230,7 @@ function kAnonymityAnalysis(projectId, datasetId, tableId, quasiIds) {
     .catch(err => {
       console.log(`Error in kAnonymityAnalysis: ${err.message || err}`);
     });
-  // [END k_anonymity]
+  // [END dlp_k_anonymity]
 }
 
 function lDiversityAnalysis(
@@ -240,7 +240,7 @@ function lDiversityAnalysis(
   sensitiveAttribute,
   quasiIds
 ) {
-  // [START l_diversity]
+  // [START dlp_l_diversity]
   // Imports the Google Cloud Data Loss Prevention library
   const DLP = require('@google-cloud/dlp');
 
@@ -317,7 +317,7 @@ function lDiversityAnalysis(
     .catch(err => {
       console.log(`Error in lDiversityAnalysis: ${err.message || err}`);
     });
-  // [END l_diversity]
+  // [END dlp_l_diversity]
 }
 
 const cli = require(`yargs`) // eslint-disable-line