diff --git a/core/src/docs/rfcs/3243_list_prefix.md b/core/src/docs/rfcs/3243_list_prefix.md
index 8ae49c26483..653ae518a51 100644
--- a/core/src/docs/rfcs/3243_list_prefix.md
+++ b/core/src/docs/rfcs/3243_list_prefix.md
@@ -93,7 +93,7 @@ While create dir on a path:
 
 # Reference-level explanation
 
-For POSIX-alike services, we will:
+For POSIX-like services, we will:
 
 - Simulate the list prefix behavior by listing the parent dir and filter the children that matches the prefix.
 - Return `NotFound` while stat an existing file with `/`
diff --git a/core/src/services/fs/backend.rs b/core/src/services/fs/backend.rs
index 9c8d5b911f8..126e92b062d 100644
--- a/core/src/services/fs/backend.rs
+++ b/core/src/services/fs/backend.rs
@@ -166,7 +166,7 @@ impl Builder for FsBuilder {
     }
 }
 
-/// Backend is used to serve `Accessor` support for posix alike fs.
+/// Backend is used to serve `Accessor` support for posix-like fs.
 #[derive(Debug, Clone)]
 pub struct FsBackend {
     core: Arc<FsCore>,
diff --git a/core/src/types/list.rs b/core/src/types/list.rs
index 327eed0ad3e..9c38b4fc050 100644
--- a/core/src/types/list.rs
+++ b/core/src/types/list.rs
@@ -155,7 +155,7 @@ impl Stream for Lister {
 
         // Trying to pull more tasks if there are more space.
         if self.tasks.has_remaining() {
-            // Building future is we have a lister available.
+            // Building future if we have a lister available.
             if let Some(mut lister) = self.lister.take() {
                 let fut = async move {
                     let res = lister.next_dyn().await;
diff --git a/core/src/types/scheme.rs b/core/src/types/scheme.rs
index 5a3e74fe851..8937131620b 100644
--- a/core/src/types/scheme.rs
+++ b/core/src/types/scheme.rs
@@ -74,7 +74,7 @@ pub enum Scheme {
     Foundationdb,
     /// [dbfs][crate::services::Dbfs]: DBFS backend support.
     Dbfs,
-    /// [fs][crate::services::Fs]: POSIX alike file system.
+    /// [fs][crate::services::Fs]: POSIX-like file system.
     Fs,
     /// [ftp][crate::services::Ftp]: FTP backend.
     Ftp,
@@ -166,7 +166,7 @@ pub enum Scheme {
     /// # NOTE
     ///
     /// - Custom must not overwrite any existing services name.
-    /// - Custom must be lowed cases.
+    /// - Custom must be in lower case.
     Custom(&'static str),
 }