diff --git a/Source/IGListDiffable.h b/Source/IGListDiffable.h
index d1db355c..ae6fb517 100644
--- a/Source/IGListDiffable.h
+++ b/Source/IGListDiffable.h
@@ -11,7 +11,7 @@
 
 /**
  The IGListDiffable protocol provides the base methods needed to compare the identity and equality of two objects using
- one of the IGKAlgorithm functions.
+ one of the IGListDiff functions.
  */
 @protocol IGListDiffable
 
diff --git a/Source/IGListSingleSectionController.m b/Source/IGListSingleSectionController.m
index 8cdc4c22..4217a343 100644
--- a/Source/IGListSingleSectionController.m
+++ b/Source/IGListSingleSectionController.m
@@ -48,7 +48,7 @@
     IGParameterAssert(configureBlock != nil);
     IGParameterAssert(sizeBlock != nil);
     if (self = [super init]) {
-        _nibName = nibName;
+        _nibName = [nibName copy];
         _bundle = bundle;
         _configureBlock = [configureBlock copy];
         _sizeBlock = [sizeBlock copy];