fix spell err

Author: T-recks

scapy/contrib/dtn/bpv7.py

@@ -442,11 +442,11 @@ class EncryptedPreviousNodeBlock(PreviousNodeBlock):
     fields_template = Common.template_replace(
         PreviousNodeBlock.fields_template,
         {
-            # The data field defintion from the parent class cannot be used here.
+            # The data field definition from the parent class cannot be used here.
             # That data is now encrypted and cannot be decrypted to its original bytes
             # (within the scope of this module), so the Packet that it represents
             # cannot be dissected.
-            # Instead, the data field defintion from CanonicalBlock is used.
+            # Instead, the data field definition from CanonicalBlock is used.
             "data": CBORByteString("data", b"\xde\xad\xbe\xef")
         },
     )

scapy/contrib/dtn/tcpcl_session.py

@@ -19,7 +19,7 @@ class Session:
     TCPCL messages are conventionally, but not necessarily, sent on port 4556.
     Since this cannot be relied upon, especially on a localhost session, the best
     way to bind TCP packets to TCPCL message is to track the state of a TCPCL session.
-    Once Contact Headers are successfuly exchanged, TCP packets can be assumed to
+    Once Contact Headers are successfully exchanged, TCP packets can be assumed to
     carry payloads of TCPCL messages until the session ends.
     """
 
@@ -112,7 +112,7 @@ def process(pkt):
                     # process ContactHeader
                     if (
                         sess.contact_init
-                    ):  # session aready initialized, Header is an ack
+                    ):  # session already initialized, Header is an ack
                         sess.proc_ack()
                         print("BEGIN TCPCL SESSION")
                     else: