docs: fix self-referential link in defer block description

Replace broken  link with inline code
formatting. The link was pointing to the page itself, as no dedicated block concept page exists at that URL.
corrects 'everytime' to 'every time'.

Update tools/manual_api_docs/blocks/let.md

Co-authored-by: Matthieu Riegler <kyro38@gmail.com>
(cherry picked from commit 21eed5f8d4)

tools/manual_api_docs/blocks/defer.md

@@ -1,4 +1,4 @@
-A type of [block](api/core/@defer) that can be used to defer load the JavaScript for components,
+The `@defer` block can be used to lazy load components,
 directives and pipes used inside a component template.
 
 ## Syntax

tools/manual_api_docs/blocks/let.md

@@ -2,6 +2,7 @@
 
 ## Syntax
 
+<!-- prettier-ignore -->
 ```angular-html
 @let name = user.name;
 @let data = data$ | async;
@@ -10,7 +11,7 @@
 ## Description
 
 `@let` declarations are similar to [JavaScript's `let`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let) and
-their values can be any valid Angular expression. The expressions will be re-evaluated everytime the template is executed.
+their values can be any valid Angular expression. The expressions will be re-evaluated every time the template is executed.
 
 Similarly to JavaScript variables, variables declared with `@let`, can be used:
 
@@ -21,12 +22,12 @@ Similarly to JavaScript variables, variables declared with `@let`, can be used:
 @let user = user$ | async;
 
 @if (user) {
-  <h1>Hello, {{user.name}}</h1>
-  <user-avatar [photo]="user.photo"/>
+  <h1>Hello, {{ user.name }}</h1>
+  <user-avatar [photo]="user.photo" />
 
   <ul>
     @for (snack of user.favoriteSnacks; track snack.id) {
-      <li>{{snack.name}}</li>
+      <li>{{ snack.name }}</li>
     }
   </ul>