Fix links in lib doc
diff --git a/src/lib.rs b/src/lib.rs
index c81ad28..15aa055 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -160,7 +160,7 @@
//!
//! One further problem is that if Rand is unable to get any external randomness
//! when initializing an RNG with [`EntropyRng`], it will panic in
-//! [`FromEntropy::from_entropy`], and notably in [`thread_rng`]. Except by
+//! [`FromEntropy::from_entropy`], and notably in [`thread_rng()`]. Except by
//! compromising security, this problem is as unsolvable as running out of
//! memory.
//!
@@ -188,6 +188,7 @@
//!
//! [`distributions` module]: distributions/index.html
//! [`distributions::WeightedChoice`]: distributions/struct.WeightedChoice.html
+//! [`FromEntropy::from_entropy`]: trait.FromEntropy.html#tymethod.from_entropy
//! [`EntropyRng`]: rngs/struct.EntropyRng.html
//! [`Error`]: struct.Error.html
//! [`gen_range`]: trait.Rng.html#method.gen_range