diff --git a/src/iam.ts b/src/iam.ts
index 6c2c10489..9dbfb2dc8 100644
--- a/src/iam.ts
+++ b/src/iam.ts
@@ -119,7 +119,7 @@ export class IAM {
    * Get the IAM policy
    *
    * @param {object} [gaxOptions] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {GetPolicyCallback} [callback] Callback function.
    * @returns {Promise<GetPolicyResponse>}
    *
@@ -193,7 +193,7 @@ export class IAM {
    * @param {Array<object>} [policy.rules] Rules to be applied to the policy.
    * @param {string} [policy.etag] Etags are used to perform a read-modify-write.
    * @param {object} [gaxOptions] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {SetPolicyCallback} callback Callback function.
    * @returns {Promise<SetPolicyResponse>}
    *
@@ -297,7 +297,7 @@ export class IAM {
    *
    * @param {string|string[]} permissions The permission(s) to test for.
    * @param {object} [gaxOptions] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {TestIamPermissionsCallback} [callback] Callback function.
    * @returns {Promise<TestIamPermissionsResponse>}
    *
diff --git a/src/pubsub.ts b/src/pubsub.ts
index 69a9f0a7d..fbfb9344f 100644
--- a/src/pubsub.ts
+++ b/src/pubsub.ts
@@ -350,7 +350,7 @@ export class PubSub {
    *     of un-acked messages to allow before the subscription pauses incoming
    *     messages.
    * @property {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @property {number|google.protobuf.Duration} [messageRetentionDuration] Set
    *     this to override the default duration of 7 days. This value is expected
    *     in seconds. Acceptable values are in the range of 10 minutes and 7
@@ -489,7 +489,7 @@ export class PubSub {
    *
    * @param {string} name Name of the topic.
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {CreateTopicCallback} [callback] Callback function.
    * @returns {Promise<CreateTopicResponse>}
    *
@@ -583,7 +583,7 @@ export class PubSub {
    * @property {boolean} [autoPaginate=true] Have pagination handled
    *     automatically.
    * @property {object} [options.gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @property {number} [options.pageSize] Maximum number of results to return.
    * @property {string} [options.pageToken] Page token.
    */
@@ -689,7 +689,7 @@ export class PubSub {
    * @property {boolean} [autoPaginate=true] Have pagination handled
    *     automatically.
    * @property {object} [options.gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @property {number} [options.pageSize] Maximum number of results to return.
    * @property {string} [options.pageToken] Page token.
    * @param {string|Topic} options.topic - The name of the topic to
@@ -808,7 +808,7 @@ export class PubSub {
    * @property {boolean} [autoPaginate=true] Have pagination handled
    *     automatically.
    * @property {object} [options.gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @property {number} [options.pageSize] Maximum number of results to return.
    * @property {string} [options.pageToken] Page token.
    */
diff --git a/src/subscription.ts b/src/subscription.ts
index 5fe5851be..1ca28b73f 100644
--- a/src/subscription.ts
+++ b/src/subscription.ts
@@ -409,7 +409,7 @@ export class Subscription extends EventEmitter {
    *
    * @param {string} name Name of the snapshot.
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {CreateSnapshotCallback} [callback] Callback function.
    * @returns {Promise<CreateSnapshotResponse>}
    *
@@ -480,7 +480,7 @@ export class Subscription extends EventEmitter {
    * @see [Subscriptions: delete API Documentation]{@link https://cloud.google.com/pubsub/docs/reference/rest/v1/projects.subscriptions/delete}
    *
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {function} [callback] The callback function.
    * @param {?error} callback.err An error returned while making this
    *     request.
@@ -594,7 +594,7 @@ export class Subscription extends EventEmitter {
    * Get a subscription if it exists.
    *
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {boolean} [gaxOpts.autoCreate=false] Automatically create the
    *     subscription if it does not already exist.
    * @param {GetSubscriptionCallback} [callback] Callback function.
@@ -663,7 +663,7 @@ export class Subscription extends EventEmitter {
    * Fetches the subscriptions metadata.
    *
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {GetSubscriptionMetadataCallback} [callback] Callback function.
    * @returns {Promise<GetSubscriptionMetadataResponse>}
    *
@@ -745,7 +745,7 @@ export class Subscription extends EventEmitter {
    *     request for every pushed message. This object should have the same
    *     structure as [OidcToken]{@link google.pubsub.v1.OidcToken}
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {ModifyPushConfigCallback} [callback] Callback function.
    * @returns {Promise<ModifyPushConfigResponse>}
    *
@@ -853,7 +853,7 @@ export class Subscription extends EventEmitter {
    * @param {string|date} snapshot The point to seek to. This will accept the
    *     name of the snapshot or a Date object.
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {SeekCallback} [callback] Callback function.
    * @returns {Promise<SeekResponse>}
    *
@@ -937,7 +937,7 @@ export class Subscription extends EventEmitter {
    *
    * @param {object} metadata The subscription metadata.
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {SetSubscriptionMetadataCallback} [callback] Callback function.
    * @returns {Promise<SetSubscriptionMetadataResponse>}
    *
diff --git a/src/topic.ts b/src/topic.ts
index 0825f4194..fdf7a21e2 100644
--- a/src/topic.ts
+++ b/src/topic.ts
@@ -198,7 +198,7 @@ export class Topic {
    * Create a topic.
    *
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {CreateTopicCallback} [callback] Callback function.
    * @returns {Promise<CreateTopicResponse>}
    *
@@ -304,7 +304,7 @@ export class Topic {
    * @see [Topics: delete API Documentation]{@link https://cloud.google.com/pubsub/docs/reference/rest/v1/projects.topics/delete}
    *
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {function} [callback] The callback function.
    * @param {?error} callback.err An error returned while making this
    *     request.
@@ -411,7 +411,7 @@ export class Topic {
    * Get a topic if it exists.
    *
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {boolean} [gaxOpts.autoCreate=false] Automatically create the topic
    *     does not already exist.
    * @param {GetTopicCallback} [callback] Callback function.
@@ -476,7 +476,7 @@ export class Topic {
    * @see [Topics: get API Documentation]{@link https://cloud.google.com/pubsub/docs/reference/rest/v1/projects.topics/get}
    *
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {GetTopicMetadataCallback} [callback] Callback function.
    * @returns {Promise<GetTopicMetadataResponse>}
    *
@@ -851,7 +851,7 @@ export class Topic {
    * https://cloud.google.com/pubsub/docs/reference/rest/v1/projects.topics#Topic|Topic
    * object}.
    * @param {object} [gaxOpts] Request configuration options, outlined
-   *     here: https://googleapis.github.io/gax-nodejs/CallSettings.html.
+   *     here: https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html.
    * @param {SetTopicMetadataCallback} [callback] Callback function.
    * @returns {Promise<SetTopicMetadataResponse>}
    *