rephrasing and grammar

Author: biscuitrescue

library/std/src/thread/functions.rs

@@ -170,9 +170,9 @@ pub fn yield_now() {
 
 /// Determines whether the current thread panicking.
 ///
-/// Note that this returns `true` when thread is unwinding due to panic,
-/// as well as when a panic hook is executing and program is configured to abort
-/// on panic (`panic=abort`)
+/// Note that this returns `true` both when the thread is unwinding due to a
+/// panic or executing a panic hook. The latter case will still happen when
+/// `panic=abort` is set.
 ///
 /// A common use of this feature is to poison shared resources when writing
 /// unsafe code, by checking `panicking` when the `drop` is called.
@@ -313,14 +313,14 @@ pub fn sleep(dur: Duration) {
 ///
 /// |  Platform |               System call                                            |
 /// |-----------|----------------------------------------------------------------------|
-/// | Linux     | [clock_nanosleep] (Monotonic clock)                                  |
+/// | Linux     | [clock_nanosleep] (Monotonic Clock)                                  |
 /// | BSD except OpenBSD | [clock_nanosleep] (Monotonic Clock)                         |
-/// | Android   | [clock_nanosleep] (Monotonic Clock)]                                 |
-/// | Solaris   | [clock_nanosleep] (Monotonic Clock)]                                 |
-/// | Illumos   | [clock_nanosleep] (Monotonic Clock)]                                 |
-/// | Dragonfly | [clock_nanosleep] (Monotonic Clock)]                                 |
-/// | Hurd      | [clock_nanosleep] (Monotonic Clock)]                                 |
-/// | Vxworks   | [clock_nanosleep] (Monotonic Clock)]                                 |
+/// | Android   | [clock_nanosleep] (Monotonic Clock)                                  |
+/// | Solaris   | [clock_nanosleep] (Monotonic Clock)                                  |
+/// | Illumos   | [clock_nanosleep] (Monotonic Clock)                                  |
+/// | Dragonfly | [clock_nanosleep] (Monotonic Clock)                                  |
+/// | Hurd      | [clock_nanosleep] (Monotonic Clock)                                  |
+/// | Vxworks   | [clock_nanosleep] (Monotonic Clock)                                  |
 /// | Apple     | `mach_wait_until`                                                    |
 /// | Other     | `sleep_until` uses [`sleep`] and does not issue a syscall itself     |
 ///