Tune name “SOLIDAD”

There’s a recent song that begins “Alone in Gethsemane”, it’s #179, classified under Lent, words (5 vv.) and music by William B. Petricko, © 1996. The tune name is given as SOLIDAD. Is this a typo for SOLEDAD? The latter certainly “makes more sense”, since it is Spanish for “loneliness”, while “solidad” is a verb form meaning “consolidate”. Perhaps someone at Celebrating Grace can tell us?