Cleanup README to bump CI

Author: Jake-Shadle

README.md

@@ -16,18 +16,18 @@ static GLOBAL: MiMalloc = MiMalloc;
 
 ## Requirements
 
-[CMake](https://cmake.org/) and a __C__ compiler are required for building 
-[mimalloc](https://github.com/microsoft/mimalloc) with cargo.
+A __C__ compiler are required for building [mimalloc](https://github.com/microsoft/mimalloc) with cargo.
 
 ## Usage without secure mode
 
-By default this library builds mimalloc in secure mode. This add guard pages, 
+By default this library builds mimalloc in secure mode. This add guard pages,
 randomized allocation, encrypted free lists, etc. The performance penalty is usually
 around 10% according to [mimalloc](https://github.com/microsoft/mimalloc)
 own benchmarks.
 
 To disable secure mode, put in `Cargo.toml`:
-```rust
+
+```ini
 [dependencies]
 mimalloc = { version = "*", default-features = false }
 ```