Fix typos (#6775)

* s/Innteger/Integer/

* s/diretory/directory/

* s/Bufer/Buffer/

* s/defalt/default/

* s/covearge/coverage/

1 files changed, 1 insertions, 1 deletions

diff --git a/array.c b/array.c
index f242031b4f..adc4b3147a 100644
--- a/array.c
+++ b/array.c
@@ -2086,7 +2086,7 @@ rb_ary_first(int argc, VALUE *argv, VALUE ary)
  *
  *  If +self+ is empty, returns +nil+.
  *
- *  When non-negative \Innteger argument +n+ is given,
+ *  When non-negative \Integer argument +n+ is given,
  *  returns the last +n+ elements in a new \Array:
  *
  *    a = [:foo, 'bar', 2]