Apply suggestions from code review

I'm applying these from the UI, but will come back and do the remaining comments and squash it all together with the original commit

Co-authored-by: Alejandra González <blyxyas@gmail.com>

clippy_lints/src/duration_to_float_precision_loss.rs

@@ -16,7 +16,7 @@ declare_clippy_lint! {
     /// precision is lost.
     ///
     /// ### Why is this bad?
-    /// This can be bad if the user wanted to retain the full precision of the duration.
+    /// Retaining the full precision of a duration is usually desired.
     ///
     /// ### Example
     /// ```no_run
@@ -48,18 +48,18 @@ declare_clippy_lint! {
     /// # let duration = Duration::from_nanos(1234500000);
     /// let _ = duration.as_secs_f64();
     /// ```
-    #[clippy::version = "1.78.0"]
+    #[clippy::version = "1.79.0"]
     pub DURATION_TO_FLOAT_PRECISION_LOSS,
-    nursery,
+    style,
     "conversion from duration to float that cause loss of precision"
 }
 
 /// This struct implements the logic needed to apply the lint
 #[derive(Debug)]
 pub struct DurationToFloatPrecisionLoss {
-    // This vector is used to prevent applying the lint to a sub-expression
+    /// This vector is used to prevent applying the lint to a sub-expression
     lint_applications: Vec<Span>,
-    // `as_secs_f64` isn't applicable until 1.38.0
+    /// `as_secs_f64` isn't applicable until 1.38.0
     msrv: Msrv,
 }