diff options
Diffstat (limited to 'process.c')
-rw-r--r-- | process.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -4017,7 +4017,7 @@ rb_f_system(int argc, VALUE *argv) * name => val : set the environment variable * name => nil : unset the environment variable * - * the keys must be strings. + * the keys and the values except for +nil+ must be strings. * command...: * commandline : command line string which is passed to the standard shell * cmdname, arg1, ... : command name and one or more arguments (This form does not use the shell. See below for caveats.) |