//! Backtraces are attempted to be as accurate as possible, but no guarantees
//! are provided about the exact accuracy of a backtrace. Instruction pointers,
//! symbol names, filenames, line numbers, etc, may all be incorrect when
-//! reported. Accuracy is attempted on a best-effort basis, however, and bugs
-//! are always welcome to indicate areas of improvement!
+//! reported. Accuracy is attempted on a best-effort basis, however, any bug
+//! reports are always welcome to indicate areas of improvement!
//!
//! For most platforms a backtrace with a filename/line number requires that
//! programs be compiled with debug information. Without debug information
//! default. Its behavior is governed by two environment variables:
//!
//! * `RUST_LIB_BACKTRACE` - if this is set to `0` then `Backtrace::capture`
-//! will never capture a backtrace. Any other value this is set to will enable
+//! will never capture a backtrace. Any other value set will enable
//! `Backtrace::capture`.
//!
//! * `RUST_BACKTRACE` - if `RUST_LIB_BACKTRACE` is not set, then this variable