diff --git a/README.md b/README.md
index b6ae152..175015d 100644
--- a/README.md
+++ b/README.md
@@ -266,6 +266,21 @@ can contain any of the following:
   - `L` - File is locked against deletion, renaming and writing.
 For example: `*ACCESS *.ASM WR`
 
+`*COPY <listspec> <*objspec*>` - Copy file(s).  There are two forms of
+the `*COPY` command:
+  - `*COPY <objspec> <objspec>` - Copy a single file.  The first argument
+     must refer to a file and the second can be a file or a directory.
+     If the target file exists and is writeable it will be overwritten.
+     If a directory is specified as the destination then the file will
+     be copied into the directory using the same filename.  No wildcards
+     are allowed in the source filename in this case.  For example:
+     `*COPY TEXT/ABC.TXT ../BACKUPS/ABC.BACKUP.TXT`
+  - `*COPY <listspec> <objspec>` - Copy multiple files.  The first
+     argument refers to a list of files, specified using wildcards.  The
+     second argument must refer to a directory.  All the files included
+     in the wildcard pattern will be copied into the destination
+     directory.  For example `*COPY :71/DOCS/ABC.TXT :72/MYDIR`.
+
 `*FX a[,x,y]` - invokes `OSBYTE` MOS calls.
 
 `*OPT` - sets file system options.  `*OPT 255,x` may be used to enable or