diff --git a/services/shellchat/Cargo.toml b/services/shellchat/Cargo.toml
index 3dd07ad64..e055b34e6 100644
--- a/services/shellchat/Cargo.toml
+++ b/services/shellchat/Cargo.toml
@@ -74,10 +74,10 @@ tracing = {version = "0.1.35", optional = true}
 tracing-subscriber = {version = "0.3.11", optional = true}
 
 # for rustls testing
-rustls = {version = "0.20.6", optional = true}
+rustls = {version = "0.20.6", optional = true} # note requirement for patch to xous-ring in workspace Cargo.toml
 # rustls = {path="../../../rustls/rustls"}
 webpki-roots = {version = "0.22.4", optional = true}
-ring = {version = "0.16.20", optional = true} # for testing ring math functions
+ring = {version = "0.16.20", optional = true} # for testing ring math functions  # note requirement for patch to xous-ring in workspace Cargo.toml
 tungstenite = {version = "0.17.3", optional = true, features = ["rustls-tls-webpki-roots"]}
 url = {version = "2.2.2", optional = true}
 perflib = {path="../../tools/perflib", optional = true}