diff --git a/docs/Cryptography 101.md b/docs/Cryptography 101.md
index 0bc55ff..7964406 100644
--- a/docs/Cryptography 101.md	
+++ b/docs/Cryptography 101.md	
@@ -29,6 +29,6 @@ If someone has your public key and attempts to sign a document with it, it won't
 
 ## Security
 
-All of this fancy math really adds security and makes digital signatures almost infinitely better than "wet" signatures on paper.  However, as you might have noticed, it all assumes that nobody has your private key except you.  It is vitally important that you protect your private key!  Viruses and malware have been known to scan infected computers, searching for private keys, and then sending any they find to criminals.  To prevent this possibility, some people and companies store their private keys on computers that are physically seperated from the Internet and other computers.
+All of this fancy math really adds security and makes digital signatures almost infinitely better than "wet" signatures on paper.  However, as you might have noticed, it all assumes that nobody has your private key except you.  It is vitally important that you protect your private key!  Viruses and malware have been known to scan infected computers, searching for private keys, and then sending any they find to criminals.  To prevent this possibility, some people and companies store their private keys on computers that are physically separated from the Internet and other computers.
 
 Most software that deals with private keys will allow (or even require) you to set a password. This password is used to scramble or unscramble your private key, adding another layer of security. If someone gets a copy of your private key, they'd need the password too or it's useless to them.  Always use complex passwords for protecting private keys.
\ No newline at end of file