Change outdated comment

Author: Polleps

lib/Cargo.toml

@@ -18,7 +18,7 @@ name = "benchmarks"
 [dependencies]
 base64 = "0.21"
 rmp-serde = { version = "1.3.0", optional = true }
-# Needed for migration to bincode v2
+# Needed for migration to messagepack
 bincode1 = { package = "bincode", version = "1", optional = true }
 directories = { version = ">= 2, < 5", optional = true }
 html2md = { version = "0.2.14", optional = true }