diff --git a/unit03_hashing/lab/README.md b/unit03_hashing/lab/README.md
index e6b01b6..7445c76 100644
--- a/unit03_hashing/lab/README.md
+++ b/unit03_hashing/lab/README.md
@@ -459,7 +459,6 @@ which has a key length of 16 bytes (128 bits - dklen), uses a salt byte array, a
 Web link (PBKDF2): 	http://www.asecuritysite.com/encryption/PBKDF2
 
 ```python
-import hashlib;
 import passlib.hash;
 import sys;
 
@@ -473,8 +472,8 @@ if (len(sys.argv)>1):
 if (len(sys.argv)>2):
 	salt=sys.argv[2]
 
-print ("PBKDF2 (SHA1):",passlib.hash.pbkdf2_sha1.encrypt(string, salt=salt.encode()))
-print ("PBKDF2 (SHA256):",passlib.hash.pbkdf2_sha256.encrypt(string, salt=salt.encode()))
+print ("PBKDF2 (SHA1):",passlib.hash.pbkdf2_sha1.hash(string, salt=salt.encode()))
+print ("PBKDF2 (SHA256):",passlib.hash.pbkdf2_sha256.hash(string, salt=salt.encode()))
 
 ```