A misspelled sign may have cost a New Jersey high school principal her job.

An error-filled sign, which included two misspelled words and one backward number, was placed at the entryway of Public School Number 20 in Patterson, New Jersey,  NJ.com reports.The controversial sign misspelled the words "December" and "reports" as "Dicember" and "reepor," respectively. The number "1" was also placed on the sign backward.

It took more than a week for anyone to notice the glaring mistakes or to speak up about them. The sign began to receive backlash after a picture of it was posted on Facebook.

After the sign was shared on the web, father and Paterson Board of Education member Corey Teague voiced his disapproval. He said at first he did not think the picture was real.

"At first I didn't believe it was, I thought it was PhotoShopped or something," he said.

He later became angry when he discovered that it was not fake.

"We can't assume because it's an urban district -- inner-city -- that things like this can be swept over. If it were a suburban neighborhood parents would be outraged, disgusted," Teague said.

Parent Jamaal McCubbin agreed with Teague.

"I would assume because this is urban district, in an inner city, that things like this could just be, you know, swept over," he said.

Betty Mack also questioned the principal's creditability.

"How horrible. How are you going to teach the kids when you can't even spell simple month 'December'?" she said.

School officials told NJ.com that the lettering "was placed by a custodian and the sign was near an entrance not normally used by staff." 

Following the criticism over the sign, several news outlets reported on the gaffe and the principal, Antoinette Young, was demoted to a vice principal position at another school. Although the district did not confirm the misspellings were the reason for the change, NorthJersey.com reports Young was already under review for unrelated performance issues.

Other parents came to Young's defense.

"They don't talk about all the good things she's done with the kids," Linda Martinez told CBS New York. "We're sad to see her go."