diff --git a/modules/express/src/typedRoutes/api/v2/shareWallet.ts b/modules/express/src/typedRoutes/api/v2/shareWallet.ts
index 9211330bf7..eee1f9b329 100644
--- a/modules/express/src/typedRoutes/api/v2/shareWallet.ts
+++ b/modules/express/src/typedRoutes/api/v2/shareWallet.ts
@@ -7,9 +7,9 @@ import { ShareState, ShareWalletKeychain } from '../../schemas/wallet';
  * Path parameters for sharing a wallet
  */
 export const ShareWalletParams = {
-  /** Coin ticker / chain identifier */
+  /** A cryptocurrency or token ticker symbol. */
   coin: t.string,
-  /** Wallet ID */
+  /** The wallet ID. */
   id: t.string,
 } as const;
 
@@ -17,19 +17,28 @@ export const ShareWalletParams = {
  * Request body for sharing a wallet
  */
 export const ShareWalletBody = {
-  /** Recipient email address */
+  /** Email address of the user being invited. */
   email: t.string,
-  /** Permissions string, e.g., "view,spend" */
+  /**
+   * Comma-separated list of privileges for a wallet. Includes:
+   * - `admin` - Can manage wallet policies and users and approve or reject pending approvals.
+   * - `freeze` - Can freeze a wallet, disabling all withdrawals.
+   * - `spend` - Can initiate withdrawals and generate new receive addresses.
+   * - `trade` - Can initiate trades from a Go Account (`trading` wallet type).
+   * - `view` - Can view balances and transactions.
+   *
+   * Permissions don't overlap. Required parameter if 'reshare' is false.
+   */
   permissions: t.string,
-  /** Wallet passphrase used to derive shared key when needed */
+  /** Wallet passphrase of the user sharing the wallet. */
   walletPassphrase: optional(t.string),
-  /** Optional message to include with the share */
+  /** User readable message to display to the share recipient. */
   message: optional(t.string),
-  /** If true, allows sharing without a keychain */
+  /** Flag for reinviting a user to the wallet. This is required if the invitee has already been invited to the wallet, but has changed their password and needs a new invite. */
   reshare: optional(t.boolean),
-  /** If true, skips sharing the wallet keychain with the recipient */
+  /** If true, skips using a shared key (for when the wallet is shared without spend permission). */
   skipKeychain: optional(t.boolean),
-  /** If true, suppresses email notification to the recipient */
+  /** Flag for disabling invite notification email. */
   disableEmail: optional(t.boolean),
 } as const;
 
@@ -73,10 +82,10 @@ export const ShareWalletResponse = {
 } as const;
 
 /**
- * Share this wallet with another BitGo user.
+ * Share wallet with an existing BitGo user
  *
  * @operationId express.v2.wallet.share
- * @tag express
+ * @tag Express
  */
 export const PostShareWallet = httpRoute({
   path: '/api/v2/{coin}/wallet/{id}/share',