diff --git a/src/common/crypto.c b/src/common/crypto.c
index 7b38568360c81521b834a4d17839ea7edf8ef396..f5f9bbef0d8cf4c707a06f3cfa3947d00afabf4a 100644
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@@ -2335,8 +2335,7 @@ crypto_strongest_rand(uint8_t *out, size_t out_len)
 }
 
 /** Seed OpenSSL's random number generator with bytes from the operating
- * system.  <b>startup</b> should be true iff we have just started Tor and
- * have not yet allocated a bunch of fds.  Return 0 on success, -1 on failure.
+ * system.  Return 0 on success, -1 on failure.
  */
 int
 crypto_seed_rng(void)