diff --git a/.speakeasy/in.openapi.yaml b/.speakeasy/in.openapi.yaml
index e3323205..a1255b6c 100644
--- a/.speakeasy/in.openapi.yaml
+++ b/.speakeasy/in.openapi.yaml
@@ -24898,7 +24898,7 @@ components:
             - 'string'
             - 'null'
         default_guardrail_id:
-          description: 'Deterministic ID of the workspace''s implicitly-created default guardrail'
+          description: 'Deterministic ID derived from the workspace ID. The default guardrail is materialized when its configuration is first written.'
           example: '595d5849-7e86-51fd-a7c0-705c34e4afff'
           format: 'uuid'
           type: 'string'
@@ -29540,7 +29540,7 @@ paths:
                   message: 'Resource not found'
               schema:
                 $ref: '#/components/schemas/NotFoundResponse'
-          description: 'Not Found - Resource does not exist'
+          description: 'Guardrail not found, or the workspace default guardrail has not been configured yet.'
         '500':
           content:
             application/json:
@@ -29556,7 +29556,7 @@ paths:
         - 'Guardrails'
       x-speakeasy-name-override: 'get'
     patch:
-      description: 'Update an existing guardrail. Collection fields use replace semantics: send the full desired set on every update. [Management key](/docs/guides/overview/auth/management-api-keys) required.'
+      description: 'Update an existing guardrail, or materialize an unconfigured workspace default guardrail. Collection fields use replace semantics: send the full desired set on every update. [Management key](/docs/guides/overview/auth/management-api-keys) required.'
       operationId: 'updateGuardrail'
       parameters:
         - description: 'The unique identifier of the guardrail to update'
@@ -29617,7 +29617,7 @@ paths:
                   message: 'Invalid request parameters'
               schema:
                 $ref: '#/components/schemas/BadRequestResponse'
-          description: 'Bad Request - Invalid request parameters or malformed input'
+          description: 'Invalid request, or an attempt to change a workspace default guardrail''s name (which is derived from its workspace and not editable).'
         '401':
           content:
             application/json: