@node Precautions
+@cindex Dangers
+@cindex Precautions
@unnumbered Precautions
@enumerate
@item
-We use password (passphrase) authentication, so overall security fully
-depends on its strength. So you should use long, high-entropy
-passphrases. Also remember to keep passphrase on temporary file and read
-it securely as described in @ref{Verifier}.
+We use passphrase authentication, so overall security fully depends on
+its strength. You @strong{should} use long, high-entropy passphrases.
+Also remember to keep passphrase in temporary file and read it securely
+as described in @ref{Verifier, verifier}.
@item
-You must @strong{never} use one key for multiple clients.
-If so, then all security is ruined and transmitted data can
-be decrypted.
+You must @strong{never} use the same key for multiple clients.
@item
You must use @strong{cryptographically good} pseudo random number