Note about PRNG error message for openssl command line tool.
diff --git a/FAQ b/FAQ
index f571faa..a34ccb5 100644
--- a/FAQ
+++ b/FAQ
@@ -103,6 +103,11 @@
correctly. OpenSSL 0.9.5 makes the error visible by refusing to
perform potentially insecure encryption.
+Most components of the openssl command line tool try to use the
+file $HOME/.rnd (or $RANDFILE, if this environment variable is set)
+for seeding the PRNG. If this file does not exist or is too short,
+the "PRNG not seeded" error message may occur.
+
* Why does the linker complain about undefined symbols?
