diff --git a/rust/serving/src/app/callback/state.rs b/rust/serving/src/app/callback/state.rs
index 420b1a9797..28bb004405 100644
--- a/rust/serving/src/app/callback/state.rs
+++ b/rust/serving/src/app/callback/state.rs
@@ -45,7 +45,7 @@ where
 
     /// register a new connection
     /// The oneshot receiver will be notified when all callbacks for this connection is received from
-    /// the numaflow pipeline. 
+    /// the numaflow pipeline.
     pub(crate) async fn register(
         &mut self,
         id: Option<String>,
diff --git a/rust/serving/src/app/callback/store/redisstore.rs b/rust/serving/src/app/callback/store/redisstore.rs
index 21545cfee3..d3f0c9087e 100644
--- a/rust/serving/src/app/callback/store/redisstore.rs
+++ b/rust/serving/src/app/callback/store/redisstore.rs
@@ -136,7 +136,7 @@ impl super::Store for RedisConnection {
                 Ok(id)
             }
             None => {
-                // We use UUID v7 as the request id. Attempt for a maxium of 5 times to generate an 
+                // We use UUID v7 as the request id. Attempt for a maxium of 5 times to generate an
                 // id that doesn't currently exist in the Store.
                 for _ in 0..5 {
                     let id = Uuid::now_v7().to_string();