In a June 22 “Brow Beat” post, Daphnee Denis incorrectly spelled the name of designer Hedi Slimane.

A photo caption in the June 20 “Design” misidentified the Peacock utensil design as the Squid design.

Because of a copy-editing error, the June 20 “Foreigners” misidentified the Ayatollah Khamenei as the late Ayatollah Khomeini.

In a June 20 “Future Tense,” Will Oremus misspelled Vinton Cerf’s first name.

In the June 20 "Music Box," Jonah Weiner stated that the producer Diplo was born in Philadelphia. He was born in Mississippi. He also said that the rap group Three Six Mafia is from Mississippi. They are from Memphis, Tenn.

In the June 20 “War Stories,” Fred Kaplan described Ayad Allawi as the leader of a Sunni bloc. Allawi is a secular Shiite. He also wrote that Ramzy Mardini served in the State Department during the Bush and Obama administrations. Mardini did not serve in the State Department during the Obama administration.

A June 18 “Culturebox” stated that David Foster Wallace's novel Infinite Jest is 1,079 pages, plus endnotes. It is 1,079 pages including endnotes.

In the June 18 “Science,” Daniel Engber incorrectly described a single Mycobacterium tuberculosis as a “spore.” That word refers to a dormant stage in the life cycle of certain bacteria, fungi, and plants. The microbe that causes TB does not produce spores.

In the June 16 “Politics,” John Dickerson misstated the results of an NBC/Marist poll; Obama had 34 percent support, not 32 percent. He also misidentified congressional candidate Christie Vilsack as Nancy Vilsack and misspelled the last name of Iowa Gov. Terry Branstad.

In a June 13 "Brow Beat" post, June Thomas stated that America learned who shot J.R. Ewing in the Season 4 premiere of Dallas. It was revealed in the season's fourth episode.

In the June 13 “Roiphe,” Katie Roiphe asserted that the headmistress of her school stepped down soon after giving a notorious commencement speech. It was years later when the headmistress stepped down.

In a June 13 "Slatest" post, Elizabeth Hewitt misidentified J.D. Salinger's book The Catcher in the Rye as Catcher and the Rye.

Slate strives to correct all errors of fact. If you've seen an error in our pages, let us know at corrections@slate.com. General comments should be posted in our comments sections at the bottom of each article.