diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 23d6b4c..e1c336a 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -274,7 +274,7 @@
   call term_sendkeys(buf, ":set cmdheight-=2\<CR>")
   call VerifyScreenDump(buf, 'Test_changing_cmdheight_4', {})
 
-  " reducing window size and then setting cmdheight 
+  " reducing window size and then setting cmdheight
   call term_sendkeys(buf, ":resize -1\<CR>")
   call term_sendkeys(buf, ":set cmdheight=1\<CR>")
   call VerifyScreenDump(buf, 'Test_changing_cmdheight_5', {})
@@ -491,7 +491,7 @@
   call assert_equal([], l)
 
   if !has('ruby')
-    " global_functions[] has an entry but it doesn't have an implemention
+    " global_functions[] has an entry but it doesn't have an implementation
     let l = getcompletion('ruby', 'function')
     call assert_equal([], l)
   endif
diff --git a/src/testdir/view_util.vim b/src/testdir/view_util.vim
index d9e740d..71cb071 100644
--- a/src/testdir/view_util.vim
+++ b/src/testdir/view_util.vim
@@ -51,6 +51,7 @@
   return attrs
 endfunc
 
+" Create a new window with the requested size and fix it.
 func NewWindow(height, width) abort
   exe a:height . 'new'
   exe a:width . 'vsp'