We welcome corrections for our documentation. You can submit corrections to petsc-maint@mcs.anl.gov or post an issue. Add the label docs. Also add docs-only in the typical case where the only changes are to documentation.

Or you can supply corrections to PETSc document directly when viewing it online. Click “edit this page”. Once you have edited the document, at the bottom of the page, type a summary of your changes in the Commit Message box, type a unique branch name in Target Branch box, and press Commit Changes. On the resulting Merge Commit page select the Labels Workflow:Review and docs-only then press Submit. The following movie demonstrates the needed steps - note that the first step is outdated.