diff --git a/README.md b/README.md
index 471989c..12556ae 100644
--- a/README.md
+++ b/README.md
@@ -174,9 +174,9 @@ re.split(<regex>, text, maxsplit=0)  # Use brackets in regex to keep the matches
 
 #### Special Sequences:
 ```python
-'\d' == [0-9]          # Digit
-'\s' == [ \t\n\r\f\v]  # Whitespace
-'\w' == [a-zA-Z0-9_]   # Alphanumeric
+'\d' == '[0-9]'          # Digit
+'\s' == '[ \t\n\r\f\v]'  # Whitespace
+'\w' == '[a-zA-Z0-9_]'   # Alphanumeric
 ```
 **Use capital letter for negation.**