In reality "capitrum" is chapter. "Lection" is a lection, a unit or a part of the study book.
The most classical word for "chapter" is 'caput, capitis.' 'Lectio, lectionis' as "chapter" has no precedent--Classical, Vulgar, Medieval, Neo...
I reported this for unclear audio. It almost sounds like she's saying "Lationem"
Lectio, lectionis, f.
Lectio is a third declension noun, and 'lectio' is the nominative singular. "lection-" is the stem, and -em is the accusative singular ending for third declension nouns. Because the "chapter" is the direct object (i.e. the verb is acting on it--it is being read), you need the accusative case (here, lectionem).