diff --git a/README.md b/README.md
index 485df40..300e8f1 100644
--- a/README.md
+++ b/README.md
@@ -186,7 +186,7 @@ RETableViewSection *section = [RETableViewSection sectionWithHeaderView:myCustom
 It's super easy to create custom mappings, for example, this how all `NSString` objects are being matched with `RETableViewCell`:
 
 ``` objective-c
-[_tableViewManager mapObjectClass:@"NSString" toTableViewCellClass:@"RETableViewCell"];
+[_tableViewManager registerClass:@"NSString" forCellWithReuseIdentifier:@"RETableViewCell"];
 ```
 
 If you take a look at [RETableViewManager Source Code](https://github.com/romaonthego/RETableViewManager/blob/master/RETableViewManager/RETableViewManager.m) you may
@@ -195,19 +195,19 @@ find out how default mapping is performed:
 ``` objective-c
 - (void)setDefaultMapping
 {
-    [self mapObjectClass:@"__NSCFConstantString" toTableViewCellClass:@"RETableViewCell"];
-    [self mapObjectClass:@"__NSCFString" toTableViewCellClass:@"RETableViewCell"];
-    [self mapObjectClass:@"NSString" toTableViewCellClass:@"RETableViewCell"];
-    [self mapObjectClass:@"RETableViewItem" toTableViewCellClass:@"RETableViewCell"];
-    [self mapObjectClass:@"RERadioItem" toTableViewCellClass:@"RETableViewCell"];
-    [self mapObjectClass:@"REBoolItem" toTableViewCellClass:@"RETableViewBoolCell"];
-    [self mapObjectClass:@"RETextItem" toTableViewCellClass:@"RETableViewTextCell"];
-    [self mapObjectClass:@"RELongTextItem" toTableViewCellClass:@"RETableViewLongTextCell"];
-    [self mapObjectClass:@"RENumberItem" toTableViewCellClass:@"RETableViewNumberCell"];
-    [self mapObjectClass:@"REFloatItem" toTableViewCellClass:@"RETableViewFloatCell"];
-    [self mapObjectClass:@"REDateTimeItem" toTableViewCellClass:@"RETableViewDateTimeCell"];
-    [self mapObjectClass:@"RECreditCardItem" toTableViewCellClass:@"RETableViewCreditCardCell"];
-    [self mapObjectClass:@"REMultipleChoiceItem" toTableViewCellClass:@"RETableViewCell"];
+    [self registerClass:@"__NSCFConstantString" forCellWithReuseIdentifier:@"RETableViewCell"];
+    [self registerClass:@"__NSCFString" forCellWithReuseIdentifier:@"RETableViewCell"];
+    [self registerClass:@"NSString" forCellWithReuseIdentifier:@"RETableViewCell"];
+    [self registerClass:@"RETableViewItem" forCellWithReuseIdentifier:@"RETableViewCell"];
+    [self registerClass:@"RERadioItem" forCellWithReuseIdentifier:@"RETableViewCell"];
+    [self registerClass:@"REBoolItem" forCellWithReuseIdentifier:@"RETableViewBoolCell"];
+    [self registerClass:@"RETextItem" forCellWithReuseIdentifier:@"RETableViewTextCell"];
+    [self registerClass:@"RELongTextItem" forCellWithReuseIdentifier:@"RETableViewLongTextCell"];
+    [self registerClass:@"RENumberItem" forCellWithReuseIdentifier:@"RETableViewNumberCell"];
+    [self registerClass:@"REFloatItem" forCellWithReuseIdentifier:@"RETableViewFloatCell"];
+    [self registerClass:@"REDateTimeItem" forCellWithReuseIdentifier:@"RETableViewDateTimeCell"];
+    [self registerClass:@"RECreditCardItem" forCellWithReuseIdentifier:@"RETableViewCreditCardCell"];
+    [self registerClass:@"REMultipleChoiceItem" forCellWithReuseIdentifier:@"RETableViewCell"];
 }
 ```