diff --git a/tracing-subscriber/src/filter/env/directive.rs b/tracing-subscriber/src/filter/env/directive.rs
index 1f0b118661..4a69d6398f 100644
--- a/tracing-subscriber/src/filter/env/directive.rs
+++ b/tracing-subscriber/src/filter/env/directive.rs
@@ -161,7 +161,9 @@ impl Directive {
                 .unwrap()
             });
 
-        let caps = DIRECTIVE_RE.captures(from).ok_or_else(ParseError::new)?;
+        let caps = DIRECTIVE_RE
+            .captures(from)
+            .ok_or_else(DirectiveParseError::new)?;
 
         if let Some(level) = caps
             .name("global_level")
diff --git a/tracing-subscriber/src/filter/env/mod.rs b/tracing-subscriber/src/filter/env/mod.rs
index 4819e7936b..c546aacc9a 100644
--- a/tracing-subscriber/src/filter/env/mod.rs
+++ b/tracing-subscriber/src/filter/env/mod.rs
@@ -216,7 +216,7 @@ pub struct FromEnvError {
 
 #[derive(Debug)]
 enum ErrorKind {
-    Parse(ParseError),
+    Parse(DirectiveParseError),
     Env(env::VarError),
 }
 
diff --git a/tracing-subscriber/src/filter/mod.rs b/tracing-subscriber/src/filter/mod.rs
index bb0b5af5f1..44e83269fe 100644
--- a/tracing-subscriber/src/filter/mod.rs
+++ b/tracing-subscriber/src/filter/mod.rs
@@ -10,6 +10,7 @@
 //! [`Subscribe`]: crate::subscribe
 mod filter_fn;
 mod level;
+mod targets;
 
 feature! {
     #![all(feature = "env-filter", feature = "std")]
diff --git a/tracing-subscriber/src/layer/mod.rs b/tracing-subscriber/src/layer/mod.rs
index 7290d65847..bbd1756815 100644
--- a/tracing-subscriber/src/layer/mod.rs
+++ b/tracing-subscriber/src/layer/mod.rs
@@ -427,6 +427,7 @@ pub(crate) mod tests;
 /// [module-level documentation](crate::layer) for details.
 ///
 /// [`Subscriber`]: tracing_core::Subscriber
+#[cfg_attr(docsrs, doc(notable_trait))]
 pub trait Layer<S>
 where
     S: Subscriber,
@@ -784,7 +785,8 @@ where
 /// A per-[`Layer`] filter that determines whether a span or event is enabled
 /// for an individual layer.
 #[cfg(feature = "registry")]
-#[cfg_attr(docsrs, doc(cfg(feature = "registry"), notable_trait))]
+#[cfg_attr(docsrs, doc(cfg(feature = "registry")))]
+#[cfg_attr(docsrs, doc(notable_trait))]
 pub trait Filter<S> {
     /// Returns `true` if this layer is interested in a span or event with the
     /// given [`Metadata`] in the current [`Context`], similarly to