fix typos.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@25635 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/vm_eval.c b/vm_eval.c
index b413c49d4..e24f1c3d7 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -1385,7 +1385,7 @@ catch_i(VALUE tag, VALUE data)
  *
  *  when _arg_ is given, +catch+ yields it as is, or when no
  *  _arg_ is given, +catch+ assigns a new unique object to
- *  +throw+.  this is usefull for nested +catch+.  _arg_ can
+ *  +throw+.  this is useful for nested +catch+.  _arg_ can
  *  be an arbitrary object, not only Symbol.
  *
  */