fix a typo [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47554 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-09-12 12:17:29 +00:00 · 2014-09-12 12:17:29 +00:00 · 858d1cadb2
--- a/coverage/README
+++ b/coverage/README
@ -4,7 +4,7 @@ The make task `update-coverage' retrieves simplecov for coverage report.

 COVERAGE=1 make test-all TESTS=test/cgi

-it generate test coverage to coverage direcotory.
+it generate test coverage to coverage directory.

 Limitation