diff --git a/src/cache/error.rs b/src/cache/error.rs
index efd87c9..8bdb977 100644
--- a/src/cache/error.rs
+++ b/src/cache/error.rs
@@ -5,15 +5,12 @@ use std::fmt;
 use redis::RedisError;
 
 /// A custom error type used for handling redis async pool associated errors.
-///
-/// This enum provides variants three different categories of errors:
-/// * `RedisError` - This variant handles all errors related to `RedisError`,
-/// * `PoolExhaustionWithConnectionDropError` - This variant handles the error
-/// which occurs when all the connections in the connection pool return a connection
-/// dropped redis error.
 #[derive(Debug)]
 pub enum PoolError {
+    /// This variant handles all errors related to `RedisError`,
     RedisError(RedisError),
+    /// This variant handles the errors which occurs when all the connections
+    /// in the connection pool return a connection dropped redis error.
     PoolExhaustionWithConnectionDropError,
 }
 
diff --git a/src/results/aggregation_models.rs b/src/results/aggregation_models.rs
index 495572a..30316e2 100644
--- a/src/results/aggregation_models.rs
+++ b/src/results/aggregation_models.rs
@@ -114,12 +114,12 @@ pub struct SearchResults {
     /// Stores the information on which engines failed with their engine name
     /// and the type of error that caused it.
     pub engine_errors_info: Vec<EngineErrorInfo>,
-    /// Stores the flag option which holds the check value that the following 
-    /// search query was disallowed when the safe search level set to 4 and it 
+    /// Stores the flag option which holds the check value that the following
+    /// search query was disallowed when the safe search level set to 4 and it
     /// was present in the `Blocklist` file.
     pub disallowed: bool,
-    /// Stores the flag option which holds the check value that the following 
-    /// search query was filtered when the safe search level set to 3 and it 
+    /// Stores the flag option which holds the check value that the following
+    /// search query was filtered when the safe search level set to 3 and it
     /// was present in the `Blocklist` file.
     pub filtered: bool,
 }
@@ -133,9 +133,8 @@ impl SearchResults {
     /// and stores it into a vector of `SearchResult` structs.
     /// * `page_query` - Takes an argument of current page`s search query `q` provided in
     /// the search url.
-    /// * `empty_result_set` - Takes a boolean which indicates that no engines gave a result for the
-    /// given search query.
-    /// * ``
+    /// * `engine_errors_info` - Takes an array of structs which contains information regarding
+    /// which engines failed with their names, reason and their severity color name.
     pub fn new(
         results: Vec<SearchResult>,
         page_query: &str,
diff --git a/src/server/routes.rs b/src/server/routes.rs
index 96ad737..29b36aa 100644
--- a/src/server/routes.rs
+++ b/src/server/routes.rs
@@ -230,7 +230,8 @@ async fn results(
             // UI and use that.
             let mut results: SearchResults = match req.cookie("appCookie") {
                 Some(cookie_value) => {
-                    let cookie_value: Cookie = serde_json::from_str(cookie_value.name_value().1)?;
+                    let cookie_value: Cookie<'_> =
+                        serde_json::from_str(cookie_value.name_value().1)?;
 
                     let engines: Vec<EngineHandler> = cookie_value
                         .engines