Strip trailing spaces [ci skip]

1 files changed, 1 insertions, 1 deletions

diff --git a/ractor.rb b/ractor.rb
index e4fbdfe102..88741071bd 100644
--- a/ractor.rb
+++ b/ractor.rb
@@ -217,7 +217,7 @@ class Ractor
   # make obj sharable.
   #
   # Basically, traverse referring objects from obj and freeze them.
-  # 
+  #
   # When a sharable object is found in traversing, stop traversing
   # from this shareable object.
   #