Try to fix some code blocks in 1.19.0 blog post

lydell · lydell · commit 8c3efeb9df25 · 2019-11-09T01:44:53.000+01:00
diff --git a/website/blog/2019-11-09-1.19.0.md b/website/blog/2019-11-09-1.19.0.md
@@ -534,7 +534,7 @@ useEffect(
 
 #### Put a closing parenthesis onto a new line after union types ([#6307] by [@sosukesuzuki])
 
-<!-- prettier-ignore-->
+<!-- prettier-ignore -->
 ```ts
 // Input
 const foo = [abc, def, ghi, jkl, mno, pqr, stu, vwx, yz] as (
@@ -1106,7 +1106,7 @@ Previously, even if the line length was shorter than `printWidth`, Prettier woul
 
 Previously, in the [whitespace-sensitive mode](https://prettier.io/docs/en/options.html#html-whitespace-sensitivity), they were formatted as if they were inline.
 
-<!-- prettier-ignore-->
+<!-- prettier-ignore -->
 ```html
 <!-- Input -->
 <script
@@ -1151,7 +1151,7 @@ Previously, Prettier only supported the most common HTML entities, such as `&nbs
 
 #### Add JSON script types ([#6293] by [@ascorbic])
 
-<!-- prettier-ignore-->
+<!-- prettier-ignore -->
 ```html
 <!-- Input -->
 <script type="application/json">
@@ -1385,7 +1385,7 @@ Previously, Prettier added line breaks between text and mustaches which resulted
 
 Previously, the flag was not applied on HTML attributes.
 
-<!-- prettier-ignore-->
+<!-- prettier-ignore -->
 ```hbs
 <!-- Input -->
 <div class="a-class-name"></div>
