diff --git a/README.md b/README.md
index f59b939..2b47713 100644
--- a/README.md
+++ b/README.md
@@ -230,7 +230,7 @@ $times = 2;
 var_dump(Only::times($data, $filter, $times)) // false
 ```
 
-**3. Finder**
+**C. Finder**
 ---------------
 
 *1. `Finder::first()`*
@@ -369,7 +369,7 @@ var_dump(
 ); // [1]
 ```
 
-**4. Collector**
+**D. Collector**
 ---------------
 
 It collect filtered data, with new transformed each data found:
@@ -400,4 +400,4 @@ $newArray = Collector::setUp($data)
        ->withLimit(2) // optional to only collect some data provided by limit config
        ->withTransform($transform)
        ->getResults();
-```
\ No newline at end of file
+```