diff --git a/lib/json/pure/generator.rb b/lib/json/pure/generator.rb
index a1143f8b0..471af635a 100644
--- a/lib/json/pure/generator.rb
+++ b/lib/json/pure/generator.rb
@@ -405,7 +405,7 @@ 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 534029649..1c8f59f80 100644
--- a/lib/json/pure/parser.rb
+++ b/lib/json/pure/parser.rb
@@ -66,7 +66,7 @@ class Parser < StringScanner
       #   also the default. It's not possible to use this option in
       #   conjunction with the *create_additions* option.
       # * *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