Fix typos. (#128)

tracing-core/src/subscriber.rs

@@ -74,7 +74,7 @@ pub trait Subscriber: 'static {
     /// that subscriber returns `Interest::always` from `register_callsite`, then
     /// the filter will not be re-evaluated once it has been applied to a given
     /// set of metadata. Thus, the counter will not be incremented, and the span
-    /// or event that correspands to the metadata will never be `enabled`.
+    /// or event that corresponds to the metadata will never be `enabled`.
     ///
     /// `Subscriber`s that need to change their filters occasionally should call
     /// [`rebuild_interest_cache`] to re-evaluate `register_callsite` for all

tracing-core/tests/macros.rs

@@ -8,8 +8,8 @@ use tracing_core::{
 
 #[test]
 fn metadata_macro_api() {
-    // This test should catch any inadvertant breaking changes
-    // caused bu changes to the macro.
+    // This test should catch any inadvertent breaking changes
+    // caused by changes to the macro.
     struct TestCallsite;
 
     impl Callsite for TestCallsite {

tracing/examples/sloggish/main.rs

@@ -2,7 +2,7 @@
 //! subscriber.
 //!
 //! This subscriber implements a tree-structured logger similar to
-//! the "compact" formatter in [`slog-term`]. The demo mimicks the
+//! the "compact" formatter in [`slog-term`]. The demo mimics the
 //! example output in the screenshot in the [`slog` README].
 //!
 //! Note that this logger isn't ready for actual production use.

tracing/examples/sloggish/sloggish_subscriber.rs

@@ -2,7 +2,7 @@
 //! subscriber.
 //!
 //! This subscriber implements a tree-structured logger similar to
-//! the "compact" formatter in [`slog-term`]. The demo mimicks the
+//! the "compact" formatter in [`slog-term`]. The demo mimics the
 //! example output in the screenshot in the [`slog` README].
 //!
 //! Note that this logger isn't ready for actual production use.

tracing/tests/macros.rs

@@ -689,8 +689,8 @@ fn field_shorthand_only() {
 
 #[test]
 fn callsite_macro_api() {
-    // This test should catch any inadvertant breaking changes
-    // caused bu changes to the macro.
+    // This test should catch any inadvertent breaking changes
+    // caused by changes to the macro.
     let _callsite = callsite! {
         name: "test callsite",
         kind: tracing::metadata::Kind::EVENT,