diff --git a/examples/oracle-example/src/lib.rs b/examples/oracle-example/src/lib.rs
index 6c1b5b4..45e79d1 100644
--- a/examples/oracle-example/src/lib.rs
+++ b/examples/oracle-example/src/lib.rs
@@ -22,6 +22,7 @@ pub struct UserConfig {}
 #[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
 pub struct AuxData {}
 
+// Oracle data is heading block_number_entropy as I expect that to be passed below to the evaluate function.
 pub const ORACLE_DATA: [&str; 1] = ["block_number_entropy"];
 
 // TODO confirm this isn't an issue for audit
diff --git a/templates/basic-template/cli/src/main.rs b/templates/basic-template/cli/src/main.rs
index 2295ffc..dcb3d1f 100644
--- a/templates/basic-template/cli/src/main.rs
+++ b/templates/basic-template/cli/src/main.rs
@@ -29,8 +29,8 @@ async fn main() -> anyhow::Result<()> {
     );
 
     // length is 1 if empty and can ignore, scale codec length
-    let pre = fs::read(oracle_data.clone()).unwrap();
-    let oracle_option = if pre.len() == 1 {
+    let decoded_oracle_data = fs::read(oracle_data.clone()).unwrap();
+    let oracle_option = if decoded_oracle_data.len() == 1 {
         None
     } else { 
         Some(oracle_data.into())