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-rw-r--r--lib/rainbows/coolio_thread_spawn.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/rainbows/coolio_thread_spawn.rb b/lib/rainbows/coolio_thread_spawn.rb
index a26c970..2e305a4 100644
--- a/lib/rainbows/coolio_thread_spawn.rb
+++ b/lib/rainbows/coolio_thread_spawn.rb
@@ -13,6 +13,9 @@
 #
 # This concurrency model is designed for Ruby 1.9, and Ruby 1.8
 # users are NOT advised to use this due to high CPU usage.
+#
+# === RubyGem Requirements
+# * cool.io 1.0.0 or later
 module Rainbows::CoolioThreadSpawn
   include Rainbows::Coolio::Core
   autoload :Client, 'rainbows/coolio_thread_spawn/client'