Fix typo in UnknownEncyptionStandardException class

[ryanthomasharrison]

Is your feature request related to a problem? Please describe.
In capture.py there is a class named UnknownEncyptionStandardException, but there appears to be a typo in the word "Encryption"

Describe the solution you'd like
Rename class as UnknownEncryptionStandardException

Describe alternatives you've considered
N/A

Additional context