docs,lib: fix typo in meaning of idempotent option

docs/api/Dispatcher.md

@@ -196,7 +196,7 @@ Returns: `void`
 * **method** `string`
 * **body** `string | Buffer | Uint8Array | stream.Readable | null` (optional) - Default: `null`
 * **headers** `UndiciHeaders` (optional) - Default: `null`
-* **idempotent** `boolean` (optional) - Default: `true` if `method` is `'HEAD'` or `'GET'` - Whether the requests can be safely retried or not. If `false` the request won't be sent until all preceeding requests in the pipeline has completed.
+* **idempotent** `boolean` (optional) - Default: `true` if `method` is `'HEAD'` or `'GET'` - Whether the requests can be safely retried or not. If `false` the request won't be sent until all preceding requests in the pipeline has completed.
 * **upgrade** `string | null` (optional) - Default: `null` - Upgrade the request. Should be used to specify the kind of upgrade i.e. `'Websocket'`.
 
 #### Parameter: `DispatchHandlers`

lib/client.js

@@ -1151,7 +1151,7 @@ function _resume (client, sync) {
     }
 
     if (client[kRunning] > 0 && (request.upgrade || request.method === 'CONNECT')) {
-      // Don't dispatch an upgrade until all preceeding requests have completed.
+      // Don't dispatch an upgrade until all preceding requests have completed.
       // A misbehaving server might upgrade the connection before all pipelined
       // request has completed.
       return