diff --git a/lib/active_model_serializers/adapter/json_api/relationship.rb b/lib/active_model_serializers/adapter/json_api/relationship.rb
index e2551e2b..c4e9636e 100644
--- a/lib/active_model_serializers/adapter/json_api/relationship.rb
+++ b/lib/active_model_serializers/adapter/json_api/relationship.rb
@@ -5,7 +5,7 @@ module ActiveModelSerializers
         # {http://jsonapi.org/format/#document-resource-object-related-resource-links Document Resource Object Related Resource Links}
         # {http://jsonapi.org/format/#document-links Document Links}
         # {http://jsonapi.org/format/#document-resource-object-linkage Document Resource Relationship Linkage}
-        # {http://jsonapi.org/format/#document-meta Docment Meta}
+        # {http://jsonapi.org/format/#document-meta Document Meta}
         def initialize(parent_serializer, serializer, serializable_resource_options, args = {})
           @object = parent_serializer.object
           @scope = parent_serializer.scope
diff --git a/test/support/serialization_testing.rb b/test/support/serialization_testing.rb
index 7227b1b4..d91ef2b3 100644
--- a/test/support/serialization_testing.rb
+++ b/test/support/serialization_testing.rb
@@ -9,12 +9,12 @@ module SerializationTesting
     ActiveModelSerializers::SerializableResource.new(obj).to_json
   end
 
-  def with_namespace_separator(seperator)
-    original_seperator = ActiveModelSerializers.config.jsonapi_namespace_separator
-    ActiveModelSerializers.config.jsonapi_namespace_separator = seperator
+  def with_namespace_separator(separator)
+    original_separator = ActiveModelSerializers.config.jsonapi_namespace_separator
+    ActiveModelSerializers.config.jsonapi_namespace_separator = separator
     yield
   ensure
-    ActiveModelSerializers.config.jsonapi_namespace_separator = original_seperator
+    ActiveModelSerializers.config.jsonapi_namespace_separator = original_separator
   end
 
   # Aliased as :with_configured_adapter to clarify that