Rewrite doubled word description

.github/actions/spelling/line_forbidden.patterns

@@ -132,9 +132,9 @@
 # s.b. neither/nor (plus rewording the beginning)
 \bnot\b[^.?!"/]*\bneither\b[^.?!"/(]*\bnor\b
 
-# In English, it is generally wrong to have the same word twice in a row without punctuation.
-# Duplicated words are generally mistakes.
-# There are a few exceptions where it is acceptable (e.g. "that that").
-# If the highlighted doubled word pair is in a code snippet, you can write a pattern to mask it.
-# If the highlighted doubled word pair is in prose, have someone read the English before you dismiss this error.
+# In English, duplicated words are generally mistakes.
+# There are a few exceptions (e.g. "that that").
+# If the highlighted doubled word pair is in:
+# * code, write a pattern to mask it.
+# * prose, have someone read the English before you dismiss this error.
 \s([A-Z]{3,}|[A-Z][a-z]{2,}|[a-z]{3,})\s\g{-1}\s