fix nits

Author: mhils

src/content/posts/releases/mitmproxy-12/index.md

@@ -34,7 +34,7 @@ This dramatically simplifies tinkering with unknown binary protocols such as gRP
 
 ## Spotlight: gRPC & Protobuf
 
-The prime example for interactive contentviews is our enhanced gRPC and Protobuf support.
+The prime example of interactive contentviews is our enhanced gRPC and Protobuf support.
 You can now modify Protobuf messages directly within mitmproxy, 
 whether you have access to the Protobuf definitions (`.proto` files) or not.
 
@@ -52,7 +52,7 @@ whether you have access to the Protobuf definitions (`.proto` files) or not.
 Underpinning this interactivity is a revamped and drastically simpler Contentview API. 
 Instead of returning a list of lines with inline markup, 
 the new [`prettify`] method simply takes `bytes` and returns `str`, and then [`reencode`] does the reverse.
-As a simple example, here's what's mitmproxy's builtin contentview for DNS messages looks like:
+As a simple example, here's what mitmproxy's builtin contentview for DNS messages looks like:
 
 (DNS example snippet)
 
@@ -66,7 +66,7 @@ Check out our [new contentview documentation] for more examples!
 
 With the new API, we're also increasing our investment in Rust to deliver safe and performant contentviews:
 
-- **Builtin contentviews can now also be written in Rust.** In fact, the gRPC, Protobuf, and MsgPack contentviews
+- **Built-in contentviews can now also be written in Rust.** In fact, the gRPC, Protobuf, and MsgPack contentviews
   are all Rust-based. The [MsgPack implementation] is a great example to demonstrate how access to the crates.io 
   ecosystem and the [serde] framework in particular makes writing contentviews super easy.
 - **Syntax highlighting is now done in Rust.** For mitmproxy and mitmweb, the [mitmproxy-highlight] crate does all the