diff --git a/examples/phrasebook/SentencesCat.gf b/examples/phrasebook/SentencesCat.gf
index e531d4a06..5bf033973 100644
--- a/examples/phrasebook/SentencesCat.gf
+++ b/examples/phrasebook/SentencesCat.gf
@@ -1,4 +1,4 @@
-concrete SentencesCat of Sentences = NumeralCat ** SentencesI - [PersonName, -- stack overflow
+concrete SentencesCat of Sentences = NumeralCat ** SentencesI - [
   IFemale, YouFamFemale, YouPolFemale, IMale, YouFamMale, YouPolMale,
   WherePlace, WherePerson, ABePlace,
   Superlative