docs: fix typo to remove space (#40601)

PR Close #40601

aio/content/guide/elements.md

@@ -192,7 +192,7 @@ class MyDialog {
 }
 ```
 
-The most straight forward way to get accurate typings is to cast the return value of the relevant DOM methods to the correct type. For that, you can use the `NgElement` and `WithProperties` types (both exported from `@angular/elements`):
+The most straightforward way to get accurate typings is to cast the return value of the relevant DOM methods to the correct type. For that, you can use the `NgElement` and `WithProperties` types (both exported from `@angular/elements`):
 
 ```ts
 const aDialog = document.createElement('my-dialog') as NgElement & WithProperties<{content: string}>;