Apply suggestions from code review

Author: benjie

src/pages/blog/2025-06-19-multioption-inputs-with-oneof/index.mdx

@@ -85,7 +85,7 @@ input GalleryInput {
 }
 ```
 
-## What Makes `@oneOf` The Right Solution?
+## What makes `@oneOf` the right solution?
 
 - **Backward Compatible**: Existing tools, queries and clients still work,
   meaning no major overhauls are required. Existing clients can even use oneOf
@@ -99,7 +99,7 @@ input GalleryInput {
   including Ruby, Java, JavaScript and .NET already ship `@oneOf` as a stable
   feature
 
-## The Bottom Line
+## The bottom line
 
 `@oneOf` allows for more expressive, capable, and less overwhelming schemas,
 helping technical teams to move faster with increased safety. It’s simple and