website: fix curl example for registry API

website/docs/registry/api.html.md

@@ -70,7 +70,7 @@ These endpoints list modules according to some criteria.
 ### Sample Request
 
 ```text
-$ curl 'https://registry.terraform.io/v1/modules&limit=2&verified=true'
+$ curl 'https://registry.terraform.io/v1/modules?limit=2&verified=true'
 ```
 
 ### Sample Response
@@ -752,4 +752,4 @@ Note that:
   - `prev_offset` will only be present if not at `offset = 0`.
   - `limit` is the actual limit that was applied, it may be lower than the requested limit param.
   - The key for the result array varies based on the endpoint and will be the
-    type of result pluralized, for example `modules`.
+    type of result pluralized, for example `modules`.