diff --git a/docs/docs/user_guide/examples.md b/docs/docs/user_guide/examples.md
index d0f6384..878df65 100644
--- a/docs/docs/user_guide/examples.md
+++ b/docs/docs/user_guide/examples.md
@@ -61,7 +61,7 @@ def refresh(
 def read_current_user(
         credentials: JwtAuthorizationCredentials = Security(access_security)
 ):  
-    # auto_error=False, fo we should check manually
+    # auto_error=False, so we should check manually
     if not credentials:
         raise HTTPException(status_code=401, detail='my-custom-details')
     
diff --git a/fastapi_jwt/jwt.py b/fastapi_jwt/jwt.py
index 10c7ec4..6ff25c7 100644
--- a/fastapi_jwt/jwt.py
+++ b/fastapi_jwt/jwt.py
@@ -64,6 +64,8 @@ def __init__(
         algorithm: str = jwt.ALGORITHMS.HS256,
         access_expires_delta: Optional[timedelta] = None,
         refresh_expires_delta: Optional[timedelta] = None,
+        expired_signature_error_message: str = '',
+        incorrect_token_error_message: str = '',
     ):
         assert jwt is not None, "python-jose must be installed to use JwtAuth"
         if places:
@@ -82,6 +84,8 @@ def __init__(
         self.algorithm = algorithm
         self.access_expires_delta = access_expires_delta or timedelta(minutes=15)
         self.refresh_expires_delta = refresh_expires_delta or timedelta(days=31)
+        self.expired_signature_error_message = expired_signature_error_message
+        self.incorrect_token_error_message = incorrect_token_error_message
 
     @classmethod
     def from_other(
@@ -113,14 +117,18 @@ def _decode(self, token: str) -> Optional[Dict[str, Any]]:
         except jwt.ExpiredSignatureError as e:
             if self.auto_error:
                 raise HTTPException(
-                    status_code=HTTP_401_UNAUTHORIZED, detail=f"Token time expired: {e}"
+                    status_code=HTTP_401_UNAUTHORIZED, 
+                    detail=f"Token time expired: {e}",
+                    message=self.expired_signature_error_message
                 )
             else:
                 return None
         except jwt.JWTError as e:
             if self.auto_error:
                 raise HTTPException(
-                    status_code=HTTP_401_UNAUTHORIZED, detail=f"Wrong token: {e}"
+                    status_code=HTTP_401_UNAUTHORIZED, 
+                    detail=f"Wrong token: {e}",
+                    message=self.incorrect_token_error_message
                 )
             else:
                 return None
@@ -253,6 +261,8 @@ def __init__(
         algorithm: str = jwt.ALGORITHMS.HS256,
         access_expires_delta: Optional[timedelta] = None,
         refresh_expires_delta: Optional[timedelta] = None,
+        expired_signature_error_message: str = '',
+        incorrect_token_error_message: str = '',
     ):
         super().__init__(
             secret_key,
@@ -261,6 +271,8 @@ def __init__(
             algorithm=algorithm,
             access_expires_delta=access_expires_delta,
             refresh_expires_delta=refresh_expires_delta,
+            expired_signature_error_message = expired_signature_error_message,
+            incorrect_token_error_message = incorrect_token_error_message,
         )
 
     async def _get_credentials(
@@ -285,6 +297,8 @@ def __init__(
         algorithm: str = jwt.ALGORITHMS.HS256,
         access_expires_delta: Optional[timedelta] = None,
         refresh_expires_delta: Optional[timedelta] = None,
+        expired_signature_error_message: str = '',
+        incorrect_token_error_message: str = '',
     ):
         super().__init__(
             secret_key=secret_key,
@@ -293,6 +307,8 @@ def __init__(
             algorithm=algorithm,
             access_expires_delta=access_expires_delta,
             refresh_expires_delta=refresh_expires_delta,
+            expired_signature_error_message = expired_signature_error_message,
+            incorrect_token_error_message = incorrect_token_error_message,
         )
 
     async def __call__(
@@ -309,6 +325,8 @@ def __init__(
         algorithm: str = jwt.ALGORITHMS.HS256,
         access_expires_delta: Optional[timedelta] = None,
         refresh_expires_delta: Optional[timedelta] = None,
+        expired_signature_error_message: str = '',
+        incorrect_token_error_message: str = '',
     ):
         super().__init__(
             secret_key=secret_key,
@@ -317,6 +335,8 @@ def __init__(
             algorithm=algorithm,
             access_expires_delta=access_expires_delta,
             refresh_expires_delta=refresh_expires_delta,
+            expired_signature_error_message = expired_signature_error_message,
+            incorrect_token_error_message = incorrect_token_error_message,
         )
 
     async def __call__(
@@ -334,6 +354,8 @@ def __init__(
         algorithm: str = jwt.ALGORITHMS.HS256,
         access_expires_delta: Optional[timedelta] = None,
         refresh_expires_delta: Optional[timedelta] = None,
+        expired_signature_error_message: str = '',
+        incorrect_token_error_message: str = '',
     ):
         super().__init__(
             secret_key=secret_key,
@@ -342,6 +364,8 @@ def __init__(
             algorithm=algorithm,
             access_expires_delta=access_expires_delta,
             refresh_expires_delta=refresh_expires_delta,
+            expired_signature_error_message = expired_signature_error_message,
+            incorrect_token_error_message = incorrect_token_error_message,
         )
 
     async def __call__(
@@ -364,6 +388,8 @@ def __init__(
         algorithm: str = jwt.ALGORITHMS.HS256,
         access_expires_delta: Optional[timedelta] = None,
         refresh_expires_delta: Optional[timedelta] = None,
+        expired_signature_error_message: str = '',
+        incorrect_token_error_message: str = '',
     ):
         super().__init__(
             secret_key,
@@ -372,6 +398,8 @@ def __init__(
             algorithm=algorithm,
             access_expires_delta=access_expires_delta,
             refresh_expires_delta=refresh_expires_delta,
+            expired_signature_error_message = expired_signature_error_message,
+            incorrect_token_error_message = incorrect_token_error_message,
         )
 
     async def _get_credentials(
@@ -406,6 +434,8 @@ def __init__(
         algorithm: str = jwt.ALGORITHMS.HS256,
         access_expires_delta: Optional[timedelta] = None,
         refresh_expires_delta: Optional[timedelta] = None,
+        expired_signature_error_message: str = '',
+        incorrect_token_error_message: str = '',
     ):
         super().__init__(
             secret_key=secret_key,
@@ -414,6 +444,8 @@ def __init__(
             algorithm=algorithm,
             access_expires_delta=access_expires_delta,
             refresh_expires_delta=refresh_expires_delta,
+            expired_signature_error_message = expired_signature_error_message,
+            incorrect_token_error_message = incorrect_token_error_message,
         )
 
     async def __call__(
@@ -430,6 +462,8 @@ def __init__(
         algorithm: str = jwt.ALGORITHMS.HS256,
         access_expires_delta: Optional[timedelta] = None,
         refresh_expires_delta: Optional[timedelta] = None,
+        expired_signature_error_message: str = '',
+        incorrect_token_error_message: str = '',
     ):
         super().__init__(
             secret_key=secret_key,
@@ -438,6 +472,8 @@ def __init__(
             algorithm=algorithm,
             access_expires_delta=access_expires_delta,
             refresh_expires_delta=refresh_expires_delta,
+            expired_signature_error_message = expired_signature_error_message,
+            incorrect_token_error_message = incorrect_token_error_message,
         )
 
     async def __call__(
@@ -455,6 +491,8 @@ def __init__(
         algorithm: str = jwt.ALGORITHMS.HS256,
         access_expires_delta: Optional[timedelta] = None,
         refresh_expires_delta: Optional[timedelta] = None,
+        expired_signature_error_message: str = '',
+        incorrect_token_error_message: str = '',
     ):
         super().__init__(
             secret_key=secret_key,
@@ -463,6 +501,8 @@ def __init__(
             algorithm=algorithm,
             access_expires_delta=access_expires_delta,
             refresh_expires_delta=refresh_expires_delta,
+            expired_signature_error_message = expired_signature_error_message,
+            incorrect_token_error_message = incorrect_token_error_message,
         )
 
     async def __call__(