diff --git a/Project_Model/Libs/BPE/Enums/SpecialToken.py b/Project_Model/Libs/BPE/Enums/SpecialToken.py
index 382c032..b3c42c1 100644
--- a/Project_Model/Libs/BPE/Enums/SpecialToken.py
+++ b/Project_Model/Libs/BPE/Enums/SpecialToken.py
@@ -10,7 +10,6 @@ class SpecialToken(Enum):
     RELATIONSHIP = "<PRED>"
     OBJECT = "<OBJ>"
     ABSTRACT = "<ABS>"
-    CORPUS_END = "<END>"
 
     ## Tasks' Token
     RDF_TO_TEXT = "<RDF2TXT>"
@@ -20,4 +19,6 @@ class SpecialToken(Enum):
 
     # BPE Training:
     # NanoSocrates
-    START = "<START>"
\ No newline at end of file
+    START = "<START>"
+    CORPUS_END = "<END>"
+    PAD = "<PAD>"
\ No newline at end of file