From f82538fec6c48561af139492014c6cc1106afef7 Mon Sep 17 00:00:00 2001
From: Justin Frevert <justinfrevert@gmail.com>
Date: Tue, 23 Nov 2021 17:01:55 -0500
Subject: [PATCH] Clarify rand-extension  comment wrt subject argument

---
 examples/rand-extension/lib.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/rand-extension/lib.rs b/examples/rand-extension/lib.rs
index aede5ffcabe..32b1d6f0a1f 100755
--- a/examples/rand-extension/lib.rs
+++ b/examples/rand-extension/lib.rs
@@ -86,7 +86,8 @@ mod rand_extension {
             Self::new(Default::default())
         }
 
-        /// Update the value from the runtimes random source.
+        /// Seed a random value by passing some known argument `subject` to the runtime's random
+        /// source. Then, update the current value with the new random value
         #[ink(message)]
         pub fn update(&mut self, subject: [u8; 32]) -> Result<(), RandomReadErr> {
             // Get the on-chain random seed