diff --git a/Grammar/python.gram b/Grammar/python.gram
index c0a64696e85dc6..fd80e5e7ce9ae5 100644
--- a/Grammar/python.gram
+++ b/Grammar/python.gram
@@ -1148,7 +1148,7 @@ invalid_dict_comprehension:
         RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "dict unpacking cannot be used in dict comprehension") }
 invalid_parameters:
     | param_no_default* invalid_parameters_helper a=param_no_default {
-        RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "non-default argument follows default argument") }
+        RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "non-keyword parameter follows keyword parameter") }
     | param_no_default* a='(' param_no_default+ ','? b=')' {
         RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "Function parameters cannot be parenthesized") }
 invalid_parameters_helper: # This is only there to avoid type errors
@@ -1156,17 +1156,17 @@ invalid_parameters_helper: # This is only there to avoid type errors
     | param_with_default+
 invalid_lambda_parameters:
     | lambda_param_no_default* invalid_lambda_parameters_helper a=lambda_param_no_default {
-        RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "non-default argument follows default argument") }
+        RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "non-keyword parameter follows keyword parameter") }
     | lambda_param_no_default* a='(' ','.lambda_param+ ','? b=')' {
         RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "Lambda expression parameters cannot be parenthesized") }
 invalid_lambda_parameters_helper:
     | a=lambda_slash_with_default { _PyPegen_singleton_seq(p, a) }
     | lambda_param_with_default+
 invalid_star_etc:
-    | a='*' (')' | ',' (')' | '**')) { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "named arguments must follow bare *") }
+    | a='*' (')' | ',' (')' | '**')) { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "named parameters must follow bare *") }
     | '*' ',' TYPE_COMMENT { RAISE_SYNTAX_ERROR("bare * has associated type comment") }
 invalid_lambda_star_etc:
-    | '*' (':' | ',' (':' | '**')) { RAISE_SYNTAX_ERROR("named arguments must follow bare *") }
+    | '*' (':' | ',' (':' | '**')) { RAISE_SYNTAX_ERROR("named parameters must follow bare *") }
 invalid_double_type_comments:
     | TYPE_COMMENT NEWLINE TYPE_COMMENT NEWLINE INDENT {
         RAISE_SYNTAX_ERROR("Cannot have two type comments on def") }
diff --git a/Parser/parser.c b/Parser/parser.c
index 7f2d125996d2fc..f2ac9fc027ad5d 100644
--- a/Parser/parser.c
+++ b/Parser/parser.c
@@ -19861,7 +19861,7 @@ invalid_parameters_rule(Parser *p)
         )
         {
             D(fprintf(stderr, "%*c+ invalid_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param_no_default* invalid_parameters_helper param_no_default"));
-            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "non-default argument follows default argument" );
+            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "non-keyword parameter follows keyword parameter" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 p->level--;
@@ -20013,7 +20013,7 @@ invalid_lambda_parameters_rule(Parser *p)
         )
         {
             D(fprintf(stderr, "%*c+ invalid_lambda_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default* invalid_lambda_parameters_helper lambda_param_no_default"));
-            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "non-default argument follows default argument" );
+            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "non-keyword parameter follows keyword parameter" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 p->level--;
@@ -20162,7 +20162,7 @@ invalid_star_etc_rule(Parser *p)
         )
         {
             D(fprintf(stderr, "%*c+ invalid_star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' (')' | ',' (')' | '**'))"));
-            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "named arguments must follow bare *" );
+            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "named parameters must follow bare *" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 p->level--;
@@ -20239,7 +20239,7 @@ invalid_lambda_star_etc_rule(Parser *p)
         )
         {
             D(fprintf(stderr, "%*c+ invalid_lambda_star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' (':' | ',' (':' | '**'))"));
-            _res = RAISE_SYNTAX_ERROR ( "named arguments must follow bare *" );
+            _res = RAISE_SYNTAX_ERROR ( "named parameters must follow bare *" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 p->level--;