diff --git a/field/Cargo.toml b/field/Cargo.toml
index 1a974852..6abffc5d 100644
--- a/field/Cargo.toml
+++ b/field/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "plonky2_field"
+description = "Finite field arithmetic"
 version = "0.1.0"
 edition = "2021"
 
diff --git a/util/Cargo.toml b/util/Cargo.toml
index 4d6e735c..a1ab402a 100644
--- a/util/Cargo.toml
+++ b/util/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "plonky2_util"
+description = "Utilities used by Plonky2"
 version = "0.1.0"
 edition = "2021"