grmlzshrc.t2t: update bk() information

diff --git a/doc/grmlzshrc.t2t b/doc/grmlzshrc.t2t
index 3a5b615..62d412b 100644 (file)
--- a/doc/grmlzshrc.t2t
+++ b/doc/grmlzshrc.t2t
@@ -561,9 +561,9 @@ else start a new screen.  This is especially useful for roadwarriors using GNU
 screen and ssh.
 
 : **bk()**
-Simple backup of a file or directory using cp(1). The target file name is the
-original name plus a time stamp attached. Symlinks and file attributes like mode,
-ownership and timestamps are preserved.
+Simple backup management of a file or directory using standard unix programs.
+The target file name is the original name plus a time stamp attached. Symlinks
+and file attributes like mode, ownership and timestamps are preserved.
 
 : **cdrecord()**
 If the original cdrecord is not installed, issues a warning to the user to