Eyebrow-Raiser From Papal Homily

During the homily at his daily Mass yesterday, Pope Francis was reported as saying, "In the Gospel, Jesus does not become angry, but pretends to when the disciples do not understand him."  I pulled this quote from Catholic News Agency but one can see many sources if they google the quote.

I'm baffled - "pretends"???  This from the Divine Son of God who exhorted us to "let your 'yes' be 'yes' and your 'no' be 'no'"?  I'd love to know of what passage the Holy Father is speaking.  Being God, Jesus never pretended for He never sought to deceive.  Such action would be inherently sinful so I fear usage of the word "pretend" in this context could be veering into murky waters.

If Scripture, itself God's word, states that Jesus was angry, then He was.  Jesus had a human nature and thus experienced emotions.  We know He was distressed in the Garden of Gethsemane, for example.  Of course, being sinless, His emotions and passions were under complete control of His will and intellect.  If the Scriptures say He was angry, it was divinely ordered.

I said there were a number of internet sources for this statement.  That doesn't necessarily mean that these sources featured independent translations of the Holy Father's remarks.  They could all be relying on one faulty translation.  Are there other translations?  I pray there are.  Please advise via the comment box.