Fix typo

Author: glitsj16

dnscrypt-proxy/example-dnscrypt-proxy.toml

@@ -364,7 +364,7 @@ cache_neg_max_ttl = 600
 
 
 ## Certificate file and key - Note that the certificate has to be trusted.
-## See the documentatio (wiki) for more information.
+## See the documentation (wiki) for more information.
 
 # cert_file = "localhost.pem"
 # cert_key_file = "localhost.pem"