diff --git a/crates/util/keyfork-entropy/src/lib.rs b/crates/util/keyfork-entropy/src/lib.rs
index 9ac68a1..d7512b5 100644
--- a/crates/util/keyfork-entropy/src/lib.rs
+++ b/crates/util/keyfork-entropy/src/lib.rs
@@ -48,6 +48,12 @@ fn ensure_offline() {
 }
 
 /// Ensure the system is safe.
+///
+/// # Examples
+/// ```rust
+/// # std::env::set_var("SHOOT_SELF_IN_FOOT", "1");
+/// keyfork_entropy::ensure_safe();
+/// ```
 pub fn ensure_safe() {
     if !std::env::vars()
         .any(|(name, _)| name == "SHOOT_SELF_IN_FOOT" || name == "INSECURE_HARDWARE_ALLOWED")
@@ -61,6 +67,16 @@ pub fn ensure_safe() {
 ///
 /// # Errors
 /// An error may be returned if an error occurred while reading from the random source.
+///
+/// # Examples
+/// ```rust,no_run
+/// # fn main() -> Result<(), Box<dyn std::error::Error>> {
+/// # std::env::set_var("SHOOT_SELF_IN_FOOT", "1");
+/// let entropy = keyfork_entropy::generate_entropy_of_size(64)?;
+/// assert_eq!(entropy.len(), 64);
+/// # Ok(())
+/// # }
+/// ```
 pub fn generate_entropy_of_size(byte_count: usize) -> Result<Vec<u8>, std::io::Error> {
     ensure_safe();
     let mut vec = vec![0u8; byte_count];