diff --git a/runtime/syntax/testdir/input/vim9_expr.vim b/runtime/syntax/testdir/input/vim9_expr.vim
index fc94abd..592acad 100644
--- a/runtime/syntax/testdir/input/vim9_expr.vim
+++ b/runtime/syntax/testdir/input/vim9_expr.vim
@@ -149,7 +149,7 @@
 enddef
 
 
-# Issue #16227 (Vimscript ternary expression highlighting)
+# Issue #16227 (Vim script ternary expression highlighting)
 
 var foo = 'foo'                         # comment
 var bar = foo == 'foo' ? 'bar' : 'baz'
diff --git a/runtime/syntax/testdir/input/vim9_function_calls.vim b/runtime/syntax/testdir/input/vim9_function_calls.vim
index aecfc11..0b9f4c2 100644
--- a/runtime/syntax/testdir/input/vim9_function_calls.vim
+++ b/runtime/syntax/testdir/input/vim9_function_calls.vim
@@ -7,7 +7,7 @@
 echo "Foo" | clearmatches()
 
 
-# Issue 16721 (vimscript highlight of builtin function after |)
+# Issue 16721 (Vim script highlight of builtin function after |)
 
 &directory = $'{$MYVIMDIR}/.data/swap/'
 &backupdir = $'{$MYVIMDIR}/.data/backup//'
diff --git a/runtime/syntax/testdir/input/vim_ex_def.vim b/runtime/syntax/testdir/input/vim_ex_def.vim
index d379d8f..819a1ad 100644
--- a/runtime/syntax/testdir/input/vim_ex_def.vim
+++ b/runtime/syntax/testdir/input/vim_ex_def.vim
@@ -99,7 +99,7 @@
     z: string = "zed")
 enddef
 
-" Issue #16243 (vimscript def parameters syntax highlight is wrong)
+" Issue #16243 (Vim script def parameters syntax highlight is wrong)
 
 def Test(lines: list<number> = [line('.'), line('.')]): void
 enddef
diff --git a/runtime/syntax/testdir/input/vim_ex_function.vim b/runtime/syntax/testdir/input/vim_ex_function.vim
index c09019e..95cf458 100644
--- a/runtime/syntax/testdir/input/vim_ex_function.vim
+++ b/runtime/syntax/testdir/input/vim_ex_function.vim
@@ -177,7 +177,7 @@
 endfunction
 
 
-" Issue #16243 (vimscript def parameters syntax highlight is wrong)
+" Issue #16243 (Vim script def parameters syntax highlight is wrong)
 
 function Test(lines = [line('.'), line('.')])
 endfunction