diff --git a/crates/iota-open-rpc/spec/openrpc.json b/crates/iota-open-rpc/spec/openrpc.json
index 8ff59efbcfb..d6c21b5750a 100644
--- a/crates/iota-open-rpc/spec/openrpc.json
+++ b/crates/iota-open-rpc/spec/openrpc.json
@@ -3323,7 +3323,7 @@
           "name": "Coin Query API"
         }
       ],
-      "description": "Return metadata(e.g., symbol, decimals) for a coin",
+      "description": "Return metadata (e.g., symbol, decimals) for a coin.",
       "params": [
         {
           "name": "coin_type",
@@ -4118,7 +4118,7 @@
           "name": "Coin Query API"
         }
       ],
-      "description": "Return total supply for a coin",
+      "description": "Return total supply for a coin.",
       "params": [
         {
           "name": "coin_type",