In Chapter I, "But the tree letters were visible" was changed to "But the three letters were visible", and "though an ever-thickening mist" was changed to "through an ever-thickening mist".
In Chapter III, a missing period was added after "spluttered Honorine", and "You musn't stay" was changed to "You mustn't stay".
In Chapter IV, "Then . . . then. . . it's happening" was changed to "Then . . . then . . . it's happening", and "slackened spend when she was level" was changed to "slackened speed when she was level".
In Chapter V, a quotation mark was added after "They: the people of old.", and "that killed M. Antoine, Marie le Goff and the others" was changed to "that killed M. Antoine, Marie Le Goff and the others".
In Chapter VI, quotation marks were added before "Did you put them under there?" and "and I am not a bit afraid", and after "Then what is it?".
In Chapter VII, "one of the cells probably the last" was changed to "one of the cells, probably the last", and a missing period was added after "Yes, Madeleine Ferrand".
In Chapter VIII, "Last night . . or rather this morning" was changed to "Last night . . . or rather this morning", and "painted Perenna is such strange colours" was changed to "painted Perenna in such strange colours".
In Chapter X, a quotation mark was removed before "Véronique received her answer", "None come" was changed to "None came", a quotation mark was added after "my boat is hanging at the foot of the cliff.", and "We'll land at Pont-L'Abbé" was changed to "We'll land at Pont-l'Abbé".
In Chapter XII, a quotation mark was removed after "Its feathered end was still quivering."
In Chapter XIV, "The other joined him" was changed to "The others joined him", and a quotation mark was added after "At any rate, it's a sacred stone".
In Chapter XV, a quotation mark was added before "She is dead", "yatching-cap" was changed to "yachting-cap", a comma was changed to a period after "There's no hypocrisy about you", and "Is is agreed" was changed to "Is it agreed".
In Chapter XVI, "ascertain Véronique d'Hergemont's whereabout" was changed to "ascertain Véronique d'Hergemont's whereabouts", and "The worthy man envolved the prophecy from his own consciousness" was changed to "The worthy man evolved the prophecy from his own consciousness".