diff --git a/R/wkt.R b/R/wkt.R
index 4c3c58941..14407a2b0 100644
--- a/R/wkt.R
+++ b/R/wkt.R
@@ -85,6 +85,11 @@ prnt.GEOMETRYCOLLECTION = function(x, ..., EWKT = TRUE) {
 #' \href{https://www.ogc.org/standard/sfa/}{simple features access} specification and extensions
 #' (known as EWKT, supported by PostGIS and other simple features implementations for addition of 
 #' a SRID to a WKT string).
+#' @note To improve conversion performance, the lwgeom package can be used (it must be installed
+#' beforehand) and set the \code{Sys.setenv("LWGEOM_WKT" = "true")} environment variable. This
+#' will also result in faster printing of complex geometries. Note that the representation as WKT is
+#' different from the sf package and may cause reproducibility problems. An alternative solution is
+#' to use the [lwgeom::st_astext()] or [wk::as_wkt()] functions.
 #'
 #' @export
 st_as_text = function(x, ...) UseMethod("st_as_text")
diff --git a/man/st_as_text.Rd b/man/st_as_text.Rd
index 638ff263b..a87a9e2f1 100644
--- a/man/st_as_text.Rd
+++ b/man/st_as_text.Rd
@@ -35,6 +35,13 @@ The returned WKT representation of simple feature geometry conforms to the
 (known as EWKT, supported by PostGIS and other simple features implementations for addition of
 a SRID to a WKT string).
 }
+\note{
+To improve conversion performance, the lwgeom package can be used (it must be installed
+beforehand) and set the \code{Sys.setenv("LWGEOM_WKT" = "true")} environment variable. This
+will also result in faster printing of complex geometries. Note that the representation as WKT is
+different from the sf package and may cause reproducibility problems. An alternative solution is
+to use the \code{\link[lwgeom:st_astext]{lwgeom::st_astext()}} or \code{\link[wk:wkt]{wk::as_wkt()}} functions.
+}
 \examples{
 st_as_text(st_point(1:2))
 st_as_text(st_sfc(st_point(c(-90,40)), crs = 4326), EWKT = TRUE)