[DOC] Change formatting in the exec docs

The last part of the sentence was accidentally put in enumeration, It
made an impression that it's one of the rules, not the result of
applying the rules.

1 files changed, 4 insertions, 3 deletions

diff --git a/process.c b/process.c
index dabe9320f2..dbe2be5b56 100644
--- a/process.c
+++ b/process.c
@@ -3144,9 +3144,10 @@ NORETURN(static VALUE f_exec(int c, const VALUE *a, VALUE _));
  *  If the string from the first form (<code>exec("command")</code>) follows
  *  these simple rules:
  *
- *  * no meta characters
- *  * not starting with shell reserved word or special built-in
- *  * Ruby invokes the command directly without shell
+ *  * no meta characters,
+ *  * not starting with shell reserved word or special built-in,
+ *
+ *  Ruby invokes the command directly without shell.
  *
  *  You can force shell invocation by adding ";" to the string (because ";" is
  *  a meta character).