patch 9.1.0467: typos in some comments

Problem:  typos in some comments
          (after v9.1.0466)
Solution: fix comments
          (zeertzjq)

closes: #14919

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/insexpand.c b/src/insexpand.c
index f43c126..552c679 100644
--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -1255,8 +1255,8 @@
 
     do
     {
-	// when completeopt include fuzzy option and leader is not null or empty
-	// set the cp_score for after compare.
+	// When 'completeopt' contains "fuzzy" and leader is not NULL or empty,
+	// set the cp_score for later comparisons.
 	if (compl_fuzzy_match && compl_leader != NULL && lead_len > 0)
 	    compl->cp_score = fuzzy_match_str(compl->cp_str, compl_leader);
 
@@ -4082,7 +4082,7 @@
 }
 
 /*
- * find a completion item in when completeopt include fuzzy option
+ * Find a completion item when 'completeopt' contains "fuzzy".
  */
     static compl_T *
 find_comp_when_fuzzy(void)
diff --git a/src/testdir/test_ins_complete.vim b/src/testdir/test_ins_complete.vim
index 1cd7d34..947b0bb 100644
--- a/src/testdir/test_ins_complete.vim
+++ b/src/testdir/test_ins_complete.vim
@@ -2468,6 +2468,7 @@
     endif
     return [#{word: "foo"}, #{word: "foobar"}, #{word: "fooBaz"}, #{word: "foobala"}]
   endfunc
+
   new
   set omnifunc=Omni_test
   set completeopt+=noinsert,fuzzy
@@ -2480,13 +2481,13 @@
   " select next
   call feedkeys("S\<C-x>\<C-o>fb\<C-n>", 'tx')
   call assert_equal('foobar', g:word)
-  " can circly select next
+  " can cyclically select next
   call feedkeys("S\<C-x>\<C-o>fb\<C-n>\<C-n>\<C-n>", 'tx')
   call assert_equal(v:null, g:word)
   " select prev
   call feedkeys("S\<C-x>\<C-o>fb\<C-p>", 'tx')
   call assert_equal(v:null, g:word)
-  " can circly select prev
+  " can cyclically select prev
   call feedkeys("S\<C-x>\<C-o>fb\<C-p>\<C-p>\<C-p>\<C-p>", 'tx')
   call assert_equal('fooBaz', g:word)
 
@@ -2505,6 +2506,8 @@
   augroup! AAAAA_Group
   delfunc OnPumChange
   delfunc Omni_test
+  unlet g:item
+  unlet g:word
 endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab nofoldenable
diff --git a/src/version.c b/src/version.c
index a3fef03..92498e1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    467,
+/**/
     466,
 /**/
     465,