diff --git a/README.md b/README.md
index 96af1417..f3530ca0 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ You have two options to integrate pkpy into your project.
 #### Use the single header file
 
 Download the `pocketpy.h` on our [GitHub Release](https://github.com/pocketpy/pocketpy/releases) page.
-And `#include` it in your project. It is recommended to use the latest dev version.
+And `#include` it in your project. The header can only be included once.
 
 #### Use CMake
 
diff --git a/docs/features/debugging.md b/docs/features/debugging.md
index dfbf5048..aaae3279 100644
--- a/docs/features/debugging.md
+++ b/docs/features/debugging.md
@@ -3,8 +3,11 @@ icon: dot
 title: Debugging
 ---
 
-After `v1.4.5`, you can invoke `breakpoint()` in your python code
-to start a PDB-like session.
+!!!
+This feature is available in `v1.4.5` or higher.
+!!!
+
+You can invoke `breakpoint()` in your python code to start a PDB-like session.
 
 The following commands are supported:
 
diff --git a/docs/features/goto.md b/docs/features/goto.md
index acd4e45f..e5c77fd2 100644
--- a/docs/features/goto.md
+++ b/docs/features/goto.md
@@ -5,10 +5,6 @@ title: Goto Statement
 
 pkpy supports goto/label just like C. You are allowed to **change the control flow unconditionally**.
 
-!!!
-This feature is stable after v1.2.2.
-!!!
-
 ## Define a label
 
 ```
diff --git a/docs/features/long.md b/docs/features/long.md
index b52a9084..90007f1e 100644
--- a/docs/features/long.md
+++ b/docs/features/long.md
@@ -8,11 +8,6 @@ Unlike cpython, pkpy's `int` is of limited precision (64-bit).
 For arbitrary sized integers, we provide a builtin `long` type, just like python2's `long`.
 `long` is implemented via pure python in [_long.py](https://github.com/pocketpy/pocketpy/blob/main/python/_long.py).
 
-!!!
-This feature is still under development.
-Some operations are missing, and some operations are not optimized.
-!!!
-
 ### Create a long object
 
 You can use `L` suffix to create a `long` literal from a decimal literal.
diff --git a/docs/quick-start/attr.md b/docs/quick-start/attr.md
index b8154c2f..202edf3d 100644
--- a/docs/quick-start/attr.md
+++ b/docs/quick-start/attr.md
@@ -69,4 +69,4 @@ std::cout << result << std::endl; // 3
 #### `void setattr(PyObject*, StrName, PyObject*)`
 
 This method is equivalent to `setattr` in python.
-It raises `TypeError` if the object does not support attribute assignment.
\ No newline at end of file
+It raises `TypeError` if the object does not support attribute assignment.
diff --git a/docs/quick-start/installation.md b/docs/quick-start/installation.md
index d2a59dd8..f92e48a1 100644
--- a/docs/quick-start/installation.md
+++ b/docs/quick-start/installation.md
@@ -9,7 +9,7 @@ You have two options to integrate pkpy into your project.
 #### Use the single header file
 
 Download the `pocketpy.h` on our [GitHub Release](https://github.com/pocketpy/pocketpy/releases) page.
-And `#include` it in your project. It is recommended to use the latest dev version.
+And `#include` it in your project. The header can only be included once.
 
 #### Use CMake
 
diff --git a/docs/retype.yml b/docs/retype.yml
index af69f4be..0f492264 100644
--- a/docs/retype.yml
+++ b/docs/retype.yml
@@ -3,7 +3,7 @@ output: .retype
 url: https://pocketpy.dev
 branding:
   title: pocketpy
-  label: v1.4.5
+  label: v1.4.6
   logo: "./static/logo.png"
 favicon: "./static/logo.png"
 meta: