diff --git a/network/src/protocols/discovery/mod.rs b/network/src/protocols/discovery/mod.rs
index dee85e5671..a0ffc51e3b 100644
--- a/network/src/protocols/discovery/mod.rs
+++ b/network/src/protocols/discovery/mod.rs
@@ -348,7 +348,7 @@ impl AddressManager for DiscoveryAddressManager {
             self.network_state.with_peer_store_mut(|peer_store| {
                 if let Err(err) = peer_store.add_addr(addr.clone(), flags) {
                     debug!(
-                        "Failed to add discoved address to peer_store {:?} {:?}",
+                        "Failed to add discovered address to peer_store {:?} {:?}",
                         err, addr
                     );
                 }
diff --git a/script/fuzz/README.md b/script/fuzz/README.md
index c9104c0bab..d4942e9120 100644
--- a/script/fuzz/README.md
+++ b/script/fuzz/README.md
@@ -1,6 +1,6 @@
 ## How to run
 
-install component and tools (require rust nighlty)
+install component and tools (require rust nightly)
 ```
 rustup component add llvm-tools-preview
 cargo install cargo-binutils
diff --git a/script/src/verify/tests/ckb_latest/features_since_v2023.rs b/script/src/verify/tests/ckb_latest/features_since_v2023.rs
index 09ed1b2ce4..aafed8439d 100644
--- a/script/src/verify/tests/ckb_latest/features_since_v2023.rs
+++ b/script/src/verify/tests/ckb_latest/features_since_v2023.rs
@@ -12,7 +12,7 @@ use crate::verify::{tests::utils::*, *};
 // check_spawn_strcat: a smoking test for spawn().
 // check_spawn_strcat_data_hash: position child script by data hash.
 // check_spawn_get_memory_limit: call get_memory_limit() in child script.
-// check_spawn_set_content: set_content() with content < lenght, = length and > length.
+// check_spawn_set_content: set_content() with content < length, = length and > length.
 // check_spawn_out_of_cycles: child script out-of-cycles.
 // check_spawn_exec: A exec B spawn C.
 // check_spawn_strcat_wrap: A spawn B spwan C.
diff --git a/util/indexer/src/service.rs b/util/indexer/src/service.rs
index bcdc89c7ce..1526074dd5 100644
--- a/util/indexer/src/service.rs
+++ b/util/indexer/src/service.rs
@@ -832,7 +832,7 @@ impl IndexerHandle {
 
 const MAX_PREFIX_SEARCH_SIZE: usize = u16::max_value() as usize;
 
-// a helper fn to build query options from search paramters, returns prefix, from_key, direction and skip offset
+// a helper fn to build query options from search parameters, returns prefix, from_key, direction and skip offset
 fn build_query_options(
     search_key: &IndexerSearchKey,
     lock_prefix: KeyPrefix,