diff --git a/man/geos_unary.Rd b/man/geos_unary.Rd
index caa284ba6..b467538c5 100644
--- a/man/geos_unary.Rd
+++ b/man/geos_unary.Rd
@@ -133,7 +133,7 @@ coordinate system, a different engine (GEOS or S2) can be used, which have diffe
 arguments. The \code{nQuadSegs}, \code{endCapsStyle}, \code{joinStyle}, \code{mitreLimit} and
 \code{singleSide} parameters only work if the GEOS engine is used (i.e. projected coordinates or
 when \code{sf_use_s2()} is set to \code{FALSE}). See \href{https://postgis.net/docs/ST_Buffer.html}{postgis.net/docs/ST_Buffer.html}
-for details. The \code{max_cells} and \code{min_level} parameters (\code{\link[s2:s2_boundary]{s2::s2_buffer_cells()}} ) work with the S2
+for details. The \code{max_cells} and \code{min_level} parameters (\code{\link[s2:s2_boundary]{s2::s2_buffer_cells()}}) work with the S2
 engine (i.e. geographic coordinates) and can be used to change the buffer shape (e.g. smoothing). If
 a negative buffer returns empty polygons instead of shrinking, set \code{sf_use_s2()} to \code{FALSE}.