README: synchronise with README.md

* README: Extend description, reference COPYING.

diff --git a/README b/README
index 9938ae597948bb0ac92f39dc7f48d7489e7929a8..31489c0105e4de7e1d9a8d2ec1724073c950f45d 100644 (file)
--- a/README
+++ b/README
@@ -1,7 +1,11 @@
-This is strace, a system call tracer for Linux.
+This is strace - a diagnostic, debugging and instructional userspace utility
+with a traditional command-line interface for Linux.  It is used to monitor
+and tamper with interactions between processes and the Linux kernel, which
+include system calls, signal deliveries, and changes of process state.
+The operation of strace is made possible by the kernel feature known as ptrace.
 
 strace is released under a Berkeley-style license at the request
-of Paul Kranenburg.
+of Paul Kranenburg; see the file COPYING for details.
 
 See the file CREDITS for a list of authors and other contributors.
 See the file INSTALL for compilation and installation instructions.