diff --git a/packages/google-cloud-talent/protos/google/cloud/talent/v4/job.proto b/packages/google-cloud-talent/protos/google/cloud/talent/v4/job.proto
index f39df6ac70f..b926c38554a 100644
--- a/packages/google-cloud-talent/protos/google/cloud/talent/v4/job.proto
+++ b/packages/google-cloud-talent/protos/google/cloud/talent/v4/job.proto
@@ -187,7 +187,7 @@ message Job {
   // attributes that are not covered by the provided structured fields.
   //
   // The keys of the map are strings up to 64 bytes and must match the
-  // pattern: [a-zA-Z][a-zA-Z0-9_]*. For example, key0LikeThis or
+  // pattern: `[a-zA-Z][a-zA-Z0-9_]*`. For example, key0LikeThis or
   // KEY_1_LIKE_THIS.
   //
   // At most 100 filterable and at most 100 unfilterable keys are supported.
diff --git a/packages/google-cloud-talent/protos/google/cloud/talent/v4/job_service.proto b/packages/google-cloud-talent/protos/google/cloud/talent/v4/job_service.proto
index 26d2cf96fb2..5572b7c1258 100644
--- a/packages/google-cloud-talent/protos/google/cloud/talent/v4/job_service.proto
+++ b/packages/google-cloud-talent/protos/google/cloud/talent/v4/job_service.proto
@@ -533,7 +533,7 @@ message SearchJobsRequest {
   //
   // Data types:
   //
-  // * Histogram facet: facet names with format [a-zA-Z][a-zA-Z0-9_]+.
+  // * Histogram facet: facet names with format `[a-zA-Z][a-zA-Z0-9_]+`.
   // * String: string like "any string with backslash escape for quote(\")."
   // * Number: whole number and floating point number like 10, -1 and -0.01.
   // * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job.proto b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job.proto
index b2ffa2bc8f0..b1b24c64f55 100644
--- a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job.proto
+++ b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job.proto
@@ -186,7 +186,7 @@ message Job {
   // attributes that are not covered by the provided structured fields.
   //
   // The keys of the map are strings up to 64 bytes and must match the
-  // pattern: [a-zA-Z][a-zA-Z0-9_]*. For example, key0LikeThis or
+  // pattern: `[a-zA-Z][a-zA-Z0-9_]*`. For example, key0LikeThis or
   // KEY_1_LIKE_THIS.
   //
   // At most 100 filterable and at most 100 unfilterable keys are supported.
diff --git a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job_service.proto b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job_service.proto
index 148e64865d9..5d26db9094a 100644
--- a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job_service.proto
+++ b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job_service.proto
@@ -557,7 +557,7 @@ message SearchJobsRequest {
   //
   // Data types:
   //
-  // * Histogram facet: facet names with format [a-zA-Z][a-zA-Z0-9_]+.
+  // * Histogram facet: facet names with format `[a-zA-Z][a-zA-Z0-9_]+`.
   // * String: string like "any string with backslash escape for quote(\")."
   // * Number: whole number and floating point number like 10, -1 and -0.01.
   // * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/profile_service.proto b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/profile_service.proto
index 4a153fd2e69..0562a55906d 100644
--- a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/profile_service.proto
+++ b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/profile_service.proto
@@ -309,7 +309,7 @@ message SearchProfilesRequest {
   //
   // Data types:
   //
-  // * Histogram facet: facet names with format [a-zA-Z][a-zA-Z0-9_]+.
+  // * Histogram facet: facet names with format `[a-zA-Z][a-zA-Z0-9_]+`.
   // * String: string like "any string with backslash escape for quote(\")."
   // * Number: whole number and floating point number like 10, -1 and -0.01.
   // * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs.js b/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs.js
index 5e89d9a9c32..be4e805178f 100644
--- a/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs.js
+++ b/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs.js
@@ -57,7 +57,7 @@ function main(parent, requestMetadata) {
    *  * `count(numeric_histogram_facet, list of buckets)`: Count the number of
    *  matching entities within each bucket.
    *  Data types:
-   *  * Histogram facet: facet names with format [a-zA-Z][a-zA-Z0-9_]+.
+   *  * Histogram facet: facet names with format `[a-zA-Z][a-zA-Z0-9_]+`.
    *  * String: string like "any string with backslash escape for quote(\")."
    *  * Number: whole number and floating point number like 10, -1 and -0.01.
    *  * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs_for_alert.js b/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs_for_alert.js
index c56f628b63e..9b5bc409164 100644
--- a/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs_for_alert.js
+++ b/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs_for_alert.js
@@ -57,7 +57,7 @@ function main(parent, requestMetadata) {
    *  * `count(numeric_histogram_facet, list of buckets)`: Count the number of
    *  matching entities within each bucket.
    *  Data types:
-   *  * Histogram facet: facet names with format [a-zA-Z][a-zA-Z0-9_]+.
+   *  * Histogram facet: facet names with format `[a-zA-Z][a-zA-Z0-9_]+`.
    *  * String: string like "any string with backslash escape for quote(\")."
    *  * Number: whole number and floating point number like 10, -1 and -0.01.
    *  * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs.js b/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs.js
index 83a5a888203..e3a90cc1715 100644
--- a/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs.js
+++ b/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs.js
@@ -68,7 +68,7 @@ function main(parent, requestMetadata) {
    *  * `count(numeric_histogram_facet, list of buckets)`: Count the number of
    *  matching entities within each bucket.
    *  Data types:
-   *  * Histogram facet: facet names with format [a-zA-Z][a-zA-Z0-9_]+.
+   *  * Histogram facet: facet names with format `[a-zA-Z][a-zA-Z0-9_]+`.
    *  * String: string like "any string with backslash escape for quote(\")."
    *  * Number: whole number and floating point number like 10, -1 and -0.01.
    *  * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs_for_alert.js b/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs_for_alert.js
index 79092740791..ec50f262029 100644
--- a/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs_for_alert.js
+++ b/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs_for_alert.js
@@ -68,7 +68,7 @@ function main(parent, requestMetadata) {
    *  * `count(numeric_histogram_facet, list of buckets)`: Count the number of
    *  matching entities within each bucket.
    *  Data types:
-   *  * Histogram facet: facet names with format [a-zA-Z][a-zA-Z0-9_]+.
+   *  * Histogram facet: facet names with format `[a-zA-Z][a-zA-Z0-9_]+`.
    *  * String: string like "any string with backslash escape for quote(\")."
    *  * Number: whole number and floating point number like 10, -1 and -0.01.
    *  * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/samples/generated/v4beta1/profile_service.search_profiles.js b/packages/google-cloud-talent/samples/generated/v4beta1/profile_service.search_profiles.js
index e0e84a5d17f..1ca51f3310c 100644
--- a/packages/google-cloud-talent/samples/generated/v4beta1/profile_service.search_profiles.js
+++ b/packages/google-cloud-talent/samples/generated/v4beta1/profile_service.search_profiles.js
@@ -98,7 +98,7 @@ function main(parent, requestMetadata) {
    *  The expression syntax looks like a function definition with parameters.
    *  Function syntax: function_name(histogram_facet[, list of buckets])
    *  Data types:
-   *  * Histogram facet: facet names with format [a-zA-Z][a-zA-Z0-9_]+.
+   *  * Histogram facet: facet names with format `[a-zA-Z][a-zA-Z0-9_]+`.
    *  * String: string like "any string with backslash escape for quote(\")."
    *  * Number: whole number and floating point number like 10, -1 and -0.01.
    *  * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/src/v4/job_service_client.ts b/packages/google-cloud-talent/src/v4/job_service_client.ts
index d94b223af39..6aa1529dacb 100644
--- a/packages/google-cloud-talent/src/v4/job_service_client.ts
+++ b/packages/google-cloud-talent/src/v4/job_service_client.ts
@@ -822,7 +822,7 @@ export class JobServiceClient {
    *
    *   Data types:
    *
-   *   * Histogram facet: facet names with format {@link a-zA-Z0-9_|a-zA-Z}+.
+   *   * Histogram facet: facet names with format `{@link a-zA-Z0-9_|a-zA-Z}+`.
    *   * String: string like "any string with backslash escape for quote(\")."
    *   * Number: whole number and floating point number like 10, -1 and -0.01.
    *   * List: list of elements with comma(,) separator surrounded by square
@@ -1148,7 +1148,7 @@ export class JobServiceClient {
    *
    *   Data types:
    *
-   *   * Histogram facet: facet names with format {@link a-zA-Z0-9_|a-zA-Z}+.
+   *   * Histogram facet: facet names with format `{@link a-zA-Z0-9_|a-zA-Z}+`.
    *   * String: string like "any string with backslash escape for quote(\")."
    *   * Number: whole number and floating point number like 10, -1 and -0.01.
    *   * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/src/v4beta1/job_service_client.ts b/packages/google-cloud-talent/src/v4beta1/job_service_client.ts
index 188b0924a19..e359afec201 100644
--- a/packages/google-cloud-talent/src/v4beta1/job_service_client.ts
+++ b/packages/google-cloud-talent/src/v4beta1/job_service_client.ts
@@ -954,7 +954,7 @@ export class JobServiceClient {
    *
    *   Data types:
    *
-   *   * Histogram facet: facet names with format {@link a-zA-Z0-9_|a-zA-Z}+.
+   *   * Histogram facet: facet names with format `{@link a-zA-Z0-9_|a-zA-Z}+`.
    *   * String: string like "any string with backslash escape for quote(\")."
    *   * Number: whole number and floating point number like 10, -1 and -0.01.
    *   * List: list of elements with comma(,) separator surrounded by square
@@ -1276,7 +1276,7 @@ export class JobServiceClient {
    *
    *   Data types:
    *
-   *   * Histogram facet: facet names with format {@link a-zA-Z0-9_|a-zA-Z}+.
+   *   * Histogram facet: facet names with format `{@link a-zA-Z0-9_|a-zA-Z}+`.
    *   * String: string like "any string with backslash escape for quote(\")."
    *   * Number: whole number and floating point number like 10, -1 and -0.01.
    *   * List: list of elements with comma(,) separator surrounded by square
diff --git a/packages/google-cloud-talent/src/v4beta1/profile_service_client.ts b/packages/google-cloud-talent/src/v4beta1/profile_service_client.ts
index 5036d5e0ef5..231e2e2ae5c 100644
--- a/packages/google-cloud-talent/src/v4beta1/profile_service_client.ts
+++ b/packages/google-cloud-talent/src/v4beta1/profile_service_client.ts
@@ -833,7 +833,7 @@ export class ProfileServiceClient {
    *
    *   Data types:
    *
-   *   * Histogram facet: facet names with format {@link a-zA-Z0-9_|a-zA-Z}+.
+   *   * Histogram facet: facet names with format `{@link a-zA-Z0-9_|a-zA-Z}+`.
    *   * String: string like "any string with backslash escape for quote(\")."
    *   * Number: whole number and floating point number like 10, -1 and -0.01.
    *   * List: list of elements with comma(,) separator surrounded by square