From FamilySearch.org -
name: Peter H Seline
event: Census
event date: 31 Mar 1901
event place: Q3, Alberta, The Territories, Canada
gender: Male
age:
marital status: Married
racial or tribal origin: Sweed
nationality: Us
religion: Baptist
relationship to head: Head
birthplace: Sweden
estimated birth year: 1845
page: 17
household number: 194
Household Gender Age Birthplace
head Peter H Seline M 56 Sweden
wife Annie Seline F 53 Sweden
son Peter Seline M 29 Sweden
son Ole A Seline M 28 Sweden
son Swan Seline M 22 Sweden

Here they extrapolated the correct spelling.