diff --git a/src/auth/auth-config.ts b/src/auth/auth-config.ts
index d5ba502208..c7c307b08a 100644
--- a/src/auth/auth-config.ts
+++ b/src/auth/auth-config.ts
@@ -1455,13 +1455,13 @@ export class OIDCConfig implements OIDCAuthProviderConfig {
 /**
 * Enforcement state of reCAPTCHA protection.
 *   - 'OFF': Unenforced.
-*   - 'AUDIT': Assessment is created but result is not used to enforce.
-*   - 'ENFORCE': Assessment is created and result is used to enforce.
+*   - 'AUDIT': Create assessment but don't enforce the result.
+*   - 'ENFORCE': Create assessment and enforce the result.
 */
 export type RecaptchaProviderEnforcementState =  'OFF' | 'AUDIT' | 'ENFORCE';
 
 /**
-* The actions for reCAPTCHA-protected requests.
+* The actions to take for reCAPTCHA-protected requests.
 *   - 'BLOCK': The reCAPTCHA-protected request will be blocked.
 */
 export type RecaptchaAction = 'BLOCK';
@@ -1481,7 +1481,7 @@ export interface RecaptchaManagedRule {
 }
 
 /**
- * The key's platform type: only web supported now.
+ * The key's platform type: only web is currently supported.
  */
 export type RecaptchaKeyClientType = 'WEB';
 
@@ -1508,7 +1508,7 @@ export interface RecaptchaKey {
  */
 export interface RecaptchaConfig {
   /**
-  * The enforcement state of email password provider.
+  * The enforcement state of the email password provider.
   */
   emailPasswordEnforcementState?: RecaptchaProviderEnforcementState;
   /**
diff --git a/src/auth/project-config-manager.ts b/src/auth/project-config-manager.ts
index 3f95a8ddf3..8aba89a81a 100644
--- a/src/auth/project-config-manager.ts
+++ b/src/auth/project-config-manager.ts
@@ -20,10 +20,7 @@ import {
 } from './auth-api-request';
 
 /**
- * Defines the project config manager used to help manage project config related operations.
- * This includes:
- * <ul>
- * <li>The ability to update and get project config.</li>
+ * Manages (gets and updates) the current project config.
  */
 export class ProjectConfigManager {
   private readonly authRequestHandler: AuthRequestHandler;
diff --git a/src/auth/project-config.ts b/src/auth/project-config.ts
index 749a64bbb6..a8e682fa59 100644
--- a/src/auth/project-config.ts
+++ b/src/auth/project-config.ts
@@ -25,25 +25,25 @@ import {
  */
 export interface UpdateProjectConfigRequest {
   /**
-   * The recaptcha configuration to update on the project.
-   * By enabling reCAPTCHA Enterprise Integration you are
-   * agreeing to reCAPTCHA Enterprise
+   * The reCAPTCHA configuration to update on the project.
+   * By enabling reCAPTCHA Enterprise integration, you are
+   * agreeing to the reCAPTCHA Enterprise
    * {@link https://cloud.google.com/terms/service-terms | Term of Service}.
    */
   recaptchaConfig?: RecaptchaConfig;
 }
 
 /**
- * Response received from get/update project config.
- * We are only exposing the recaptcha config for now.
+ * Response received when getting or updating the project config.
+ * Currently only includes the reCAPTCHA config.
  */
 export interface ProjectConfigServerResponse {
   recaptchaConfig?: RecaptchaConfig;
 }
 
 /**
- * Request sent to update project config.
- * We are only updating the recaptcha config for now.
+ * Request to update the project config.
+ * Currently only includes the reCAPTCHA config.
  */
 export interface ProjectConfigClientRequest {
   recaptchaConfig?: RecaptchaConfig;
@@ -54,9 +54,9 @@ export interface ProjectConfigClientRequest {
 */
 export class ProjectConfig {
   /**
-   * The recaptcha configuration to update on the project config.
-   * By enabling reCAPTCHA Enterprise Integration you are
-   * agreeing to reCAPTCHA Enterprise
+   * The reCAPTCHA configuration to update on the project.
+   * By enabling reCAPTCHA Enterprise integration, you are
+   * agreeing to the reCAPTCHA Enterprise
    * {@link https://cloud.google.com/terms/service-terms | Term of Service}.
    */
   private readonly recaptchaConfig_?: RecaptchaAuthConfig;
@@ -103,7 +103,7 @@ export class ProjectConfig {
   }
  
   /**
-   * The recaptcha configuration.
+   * The reCAPTCHA configuration.
    */
   get recaptchaConfig(): RecaptchaConfig | undefined {
     return this.recaptchaConfig_;
diff --git a/src/auth/tenant.ts b/src/auth/tenant.ts
index 734e64569c..0ddf58c888 100644
--- a/src/auth/tenant.ts
+++ b/src/auth/tenant.ts
@@ -56,9 +56,9 @@ export interface UpdateTenantRequest {
   testPhoneNumbers?: { [phoneNumber: string]: string } | null;
 
   /**
-   * The recaptcha configuration to update on the tenant.
-   * By enabling reCAPTCHA Enterprise Integration you are
-   * agreeing to reCAPTCHA Enterprise
+   * The reCAPTCHA configuration to update on the tenant.
+   * By enabling reCAPTCHA Enterprise integration, you are
+   * agreeing to the reCAPTCHA Enterprise
    * {@link https://cloud.google.com/terms/service-terms | Term of Service}.
    */
   recaptchaConfig?: RecaptchaConfig;