diff --git a/lib/json/pure/generator.rb b/lib/json/pure/generator.rb
index 9056a5d7..fc93e3f3 100644
--- a/lib/json/pure/generator.rb
+++ b/lib/json/pure/generator.rb
@@ -468,7 +468,7 @@ def to_json(state = nil, *args)
             end
           end
 
-          # Module that holds the extinding methods if, the String module is
+          # Module that holds the extending methods if, the String module is
           # included.
           module Extend
             # Raw Strings are JSON Objects (the raw bytes are stored in an
diff --git a/lib/json/pure/parser.rb b/lib/json/pure/parser.rb
index a41d1eeb..937f56f0 100644
--- a/lib/json/pure/parser.rb
+++ b/lib/json/pure/parser.rb
@@ -64,7 +64,7 @@ class Parser < StringScanner
       #   (keys) in a JSON object. Otherwise strings are returned, which is also
       #   the default.
       # * *create_additions*: If set to true, the Parser creates
-      #   additions when if a matching class and create_id was found. This
+      #   additions when a matching class and create_id are found. This
       #   option defaults to false.
       # * *object_class*: Defaults to Hash
       # * *array_class*: Defaults to Array