diff --git a/lib/std++/main.rb b/lib/std++/main.rb
index dc9ce18b..d124ce96 100644
--- a/lib/std++/main.rb
+++ b/lib/std++/main.rb
@@ -19,7 +19,7 @@ def debug_out
 
   # @!group Dev Tools
 
-  # Replaces string keys with symbol keys
+  # Replaces string keys with Symbol keys
   # @return [Hash]
   def to_sym!
     self.keys.each do |key|
@@ -28,7 +28,7 @@ def to_sym!
     self
   end
 
-  # Replaces all keys with string keys
+  # Replaces all keys with String keys
   # @return [Hash]
   def to_s!
     self.keys.each do |key|