[ci skip] Fix a typo in Rakefile.

1 files changed, 1 insertions, 1 deletions

diff --git a/Rakefile b/Rakefile
index 8e3a8199..408fb9f7 100644
--- a/Rakefile
+++ b/Rakefile
@@ -66,7 +66,7 @@ namespace :spec do
         # https://github.com/rubygems/rubygems/issues/784
         sh "gem update --system 2.1.11"
       else
-        # Downgrade Rubygems so RSpec 3 can be instaled
+        # Downgrade Rubygems so RSpec 3 can be installed
         # https://github.com/rubygems/rubygems/issues/813
         sh "gem update --system 2.2.0"
       end