Fix typo in docstring of register_assert_rewrite
Fix typo in docstring of register_assert_rewrite
MichaelAquilina/pytest,skylarjhdownes/pytest,Akasurde/pytest,The-Compiler/pytest,etataurov/pytest,tareqalayan/pytest,pfctdayelise/pytest,rmfitzpatrick/pytest,markshao/pytest,flub/pytest,tomviner/pytest,nicoddemus/pytest,vmalloc/dessert,ddboline/pytest,hackebrot/pytest,eli-b/pytest,alfredodeza/pytest,nicoddemus/pytest,tomviner/pytest,davidszotten/pytest,pytest-dev/pytest,The-Compiler/pytest,txomon/pytest,jaraco/pytest,malinoff/pytest,RonnyPfannschmidt/pytest,tgoodlet/pytest