A phrase repeated until it steadies the mind is read as a search for calm and focus. Tradition pays attention to the words themselves, as they often name what the dreamer most needs to hear.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.