Apply suggestions from code review

Co-authored-by: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Author: yoshuawuyts

src/cache/cache_control/cache_control.rs

@@ -34,7 +34,7 @@ pub struct CacheControl {
 }
 
 impl CacheControl {
-    /// Create a new instance of `ServerTiming`.
+    /// Create a new instance of `CacheControl`.
     pub fn new() -> Self {
         Self { entries: vec![] }
     }
@@ -120,7 +120,7 @@ impl<'a> IntoIterator for &'a CacheControl {
     type Item = &'a CacheDirective;
     type IntoIter = Iter<'a>;
 
-    // #[inline]serv
+    #[inline]
     fn into_iter(self) -> Self::IntoIter {
         self.iter()
     }

src/cache/cache_control/cache_directive.rs

@@ -21,13 +21,13 @@ pub enum CacheDirective {
     NoCache,
     /// The response may not be cached.
     NoStore,
-    /// An intermediate cache or proxy cannot edit the response body,
+    /// An intermediate cache or proxy should not edit the response body,
     /// Content-Encoding, Content-Range, or Content-Type.
     NoTransform,
     /// Do not use the network for a response.
     OnlyIfCached,
     /// The response may be stored only by a browser's cache, even if the
-    /// response is normally non-cacheable
+    /// response is normally non-cacheable.
     Private,
     /// Like must-revalidate, but only for shared caches (e.g., proxies).
     ProxyRevalidate,