diff --git a/mypy/message_registry.py b/mypy/message_registry.py
index cfeb27b1a5c9..67fd3319b37e 100644
--- a/mypy/message_registry.py
+++ b/mypy/message_registry.py
@@ -127,7 +127,7 @@ def with_additional_msg(self, info: str) -> ErrorMessage:
     "Function is missing a return type annotation", codes.NO_UNTYPED_DEF
 )
 ARGUMENT_TYPE_EXPECTED: Final = ErrorMessage(
-    "Function is missing a type annotation for one or more arguments", codes.NO_UNTYPED_DEF
+    "Function is missing a type annotation for one or more parameters", codes.NO_UNTYPED_DEF
 )
 KEYWORD_ARGUMENT_REQUIRES_STR_KEY_TYPE: Final = ErrorMessage(
     'Keyword argument only valid with "str" key type in call to "dict"'
diff --git a/test-data/unit/check-errorcodes.test b/test-data/unit/check-errorcodes.test
index 58f48144b3e5..c5bcf74b3092 100644
--- a/test-data/unit/check-errorcodes.test
+++ b/test-data/unit/check-errorcodes.test
@@ -382,7 +382,7 @@ def f(x):  # E: Function is missing a type annotation  [no-untyped-def]
 def g(x: int):  # E: Function is missing a return type annotation  [no-untyped-def]
     pass
 
-def h(x) -> None:  # E: Function is missing a type annotation for one or more arguments  [no-untyped-def]
+def h(x) -> None:  # E: Function is missing a type annotation for one or more parameters  [no-untyped-def]
     pass
 
 def gen():  # E: Function is missing a return type annotation  [no-untyped-def]
diff --git a/test-data/unit/check-flags.test b/test-data/unit/check-flags.test
index 94aae547882f..5c77a3e81f0d 100644
--- a/test-data/unit/check-flags.test
+++ b/test-data/unit/check-flags.test
@@ -8,7 +8,7 @@ main:2: error: Function is missing a type annotation
 # flags: --disallow-untyped-defs
 def f(x) -> int: pass
 [out]
-main:2: error: Function is missing a type annotation for one or more arguments
+main:2: error: Function is missing a type annotation for one or more parameters
 
 [case testNoArgumentFunction]
 # flags: --disallow-untyped-defs
@@ -63,7 +63,7 @@ async def f():  # E: Function is missing a return type annotation \
 
 [case testAsyncUnannotatedArgument]
 # flags: --disallow-untyped-defs
-async def f(x) -> None:  # E: Function is missing a type annotation for one or more arguments
+async def f(x) -> None:  # E: Function is missing a type annotation for one or more parameters
     pass
 [builtins fixtures/async_await.pyi]
 [typing fixtures/typing-async.pyi]
@@ -830,7 +830,7 @@ import standard, incomplete
 def incomplete(x) -> int:
     return 0
 [file incomplete.py]
-def incomplete(x) -> int:  # E: Function is missing a type annotation for one or more arguments
+def incomplete(x) -> int:  # E: Function is missing a type annotation for one or more parameters
     return 0
 [file mypy.ini]
 \[mypy]
@@ -847,7 +847,7 @@ import standard, incomplete
 def incomplete(x) -> int:
     return 0
 [file incomplete.py]
-def incomplete(x) -> int:  # E: Function is missing a type annotation for one or more arguments
+def incomplete(x) -> int:  # E: Function is missing a type annotation for one or more parameters
     return 0
 [file pyproject.toml]
 \[tool.mypy]
@@ -1555,7 +1555,7 @@ def g(m: Movie) -> Movie:
 
 def f(i: int):  # E: Function is missing a return type annotation
     pass
-def g(i) -> None:  # E: Function is missing a type annotation for one or more arguments
+def g(i) -> None:  # E: Function is missing a type annotation for one or more parameters
     pass
 def h(i: int) -> int:  # no error
     return i
@@ -1582,7 +1582,7 @@ def f(i: int, s):
 
 [out]
 main:3: error: Function is missing a return type annotation
-main:3: error: Function is missing a type annotation for one or more arguments
+main:3: error: Function is missing a type annotation for one or more parameters
 
 [case testDisallowIncompleteDefsAttrsNoAnnotations]
 # flags: --disallow-incomplete-defs
@@ -1609,7 +1609,7 @@ class Annotated:
 import attrs
 
 @attrs.define
-class PartiallyAnnotated:  # E: Function is missing a type annotation for one or more arguments
+class PartiallyAnnotated:  # E: Function is missing a type annotation for one or more parameters
     bar: int = attrs.field()
     baz = attrs.field()
 
diff --git a/test-data/unit/check-python38.test b/test-data/unit/check-python38.test
index 595ff95f44dc..55895e9c6c2b 100644
--- a/test-data/unit/check-python38.test
+++ b/test-data/unit/check-python38.test
@@ -116,7 +116,7 @@ def g(x: int): ...
 
 [case testPEP570ArgTypesMissing]
 # flags: --disallow-untyped-defs
-def f(arg, /) -> None: ...  # E: Function is missing a type annotation for one or more arguments
+def f(arg, /) -> None: ...  # E: Function is missing a type annotation for one or more parameters
 
 [case testPEP570ArgTypesBadDefault]
 def f(arg: int = "ERROR", /) -> None: ...  # E: Incompatible default for argument "arg" (default has type "str", argument has type "int")