diff --git a/bindings/python/unicorn/unicorn_py3/arch/arm.py b/bindings/python/unicorn/unicorn_py3/arch/arm.py
index 46c00c7a..6df9ec98 100644
--- a/bindings/python/unicorn/unicorn_py3/arch/arm.py
+++ b/bindings/python/unicorn/unicorn_py3/arch/arm.py
@@ -1,5 +1,5 @@
-# AArch32 classes and structures.
-#
+"""AArch32 classes and structures.
+"""
 # @author elicn
 
 from typing import Any, Tuple
diff --git a/bindings/python/unicorn/unicorn_py3/arch/arm64.py b/bindings/python/unicorn/unicorn_py3/arch/arm64.py
index c2b94f59..8e066ace 100644
--- a/bindings/python/unicorn/unicorn_py3/arch/arm64.py
+++ b/bindings/python/unicorn/unicorn_py3/arch/arm64.py
@@ -1,5 +1,5 @@
-# AArch64 classes and structures.
-#
+"""AArch64 classes and structures.
+"""
 # @author elicn
 
 from typing import Any, Callable, NamedTuple, Tuple
diff --git a/bindings/python/unicorn/unicorn_py3/arch/intel.py b/bindings/python/unicorn/unicorn_py3/arch/intel.py
index ea341bc3..8198429a 100644
--- a/bindings/python/unicorn/unicorn_py3/arch/intel.py
+++ b/bindings/python/unicorn/unicorn_py3/arch/intel.py
@@ -1,5 +1,5 @@
-# Intel architecture classes and structures.
-#
+"""Intel architecture classes and structures.
+"""
 # @author elicn
 
 from typing import Any, Callable, Sequence, Tuple
@@ -37,6 +37,9 @@ class UcRegMMR(UcTupledReg[X86MMRReg]):
 
 
 class UcRegMSR(UcTupledReg[X86MSRReg]):
+    """Intel Model Specific Register
+    """
+
     _fields_ = (
         ('rid', ctypes.c_uint32),
         ('val', ctypes.c_uint64)
@@ -48,6 +51,9 @@ class UcRegMSR(UcTupledReg[X86MSRReg]):
 
 
 class UcRegFPR(UcTupledReg[X86FPReg]):
+    """Intel Floating Point Register
+    """
+
     _fields_ = (
         ('mantissa', ctypes.c_uint64),
         ('exponent', ctypes.c_uint16)
diff --git a/bindings/python/unicorn/unicorn_py3/arch/types.py b/bindings/python/unicorn/unicorn_py3/arch/types.py
index 8c0a9b63..8e7114c6 100644
--- a/bindings/python/unicorn/unicorn_py3/arch/types.py
+++ b/bindings/python/unicorn/unicorn_py3/arch/types.py
@@ -1,5 +1,5 @@
-# Common types and structures.
-#
+"""Common types and structures.
+"""
 # @author elicn
 
 from abc import abstractmethod
@@ -81,14 +81,23 @@ class UcLargeReg(UcReg):
 
 
 class UcReg128(UcLargeReg):
+    """Large register holding a 128-bit value.
+    """
+
     _fields_ = [('qwords', ctypes.c_uint64 * 2)]
 
 
 class UcReg256(UcLargeReg):
+    """Large register holding a 256-bit value.
+    """
+
     _fields_ = [('qwords', ctypes.c_uint64 * 4)]
 
 
 class UcReg512(UcLargeReg):
+    """Large register holding a 512-bit value.
+    """
+
     _fields_ = [('qwords', ctypes.c_uint64 * 8)]
 
 
diff --git a/bindings/python/unicorn/unicorn_py3/unicorn.py b/bindings/python/unicorn/unicorn_py3/unicorn.py
index 7460edb9..11df76a0 100644
--- a/bindings/python/unicorn/unicorn_py3/unicorn.py
+++ b/bindings/python/unicorn/unicorn_py3/unicorn.py
@@ -1,3 +1,7 @@
+"""New and improved Unicorn Python bindings by elicn
+based on Nguyen Anh Quynnh's work
+"""
+
 from __future__ import annotations
 from typing import TYPE_CHECKING, Any, Callable, Iterable, Iterator, Mapping, MutableMapping, Optional, Sequence, Tuple, Type, TypeVar
 
@@ -111,7 +115,7 @@ def __load_uc_lib() -> ctypes.CDLL:
         T = TypeVar('T')
 
         def __pick_first_valid(iter: Iterable[T]) -> Optional[T]:
-            """Iterate till encountering a non-None element
+            """Iterate till encountering a non-None element and return it.
             """
 
             return next((elem for elem in iter if elem is not None), None)