38/6 and 58/8. After "word" add "or words".
46/8. In the Fundamento, Zamenhof used capital letters to begin the names of months. In his mature style he also used capitals for nouns and adjectives of nationality, e.g. Angla, Anglo, Dana, Franco.
49/1m. For "Tiu" read "Tio".
53/19. The use here of the preposition je is not recommended.
66. The second paragraph requires qualification. For "adjectives and adverbs" read "derived adjectives and adverbs": the principle dealt with in the paragraph applies to words consisting of roots plus one or more grammatical endings. There are several words in Esperanto (e.g. tra, tre, tro, la, je, po) which are thus outside the principle as stated.
67/6. For "Tiu estas floro" read "Tio estas floro"
68. Section (b) is too strict. In practice the definite article is often used before proper names, and one can say (e.g.) la Alpoj, la Mediteraneo, etc.
69. In section (b) read "It is not generally used".
72/7m. For "Tiu estas ... " read "Tio estas ... "
73/4. Replace "Ĉu tiu ĉi ... " by "Ĉu ĉi tio ... "