fix typo in documentation

Author: clauswilke

R/sf.R

@@ -579,10 +579,10 @@ sf_rescale01_x <- function(x, range) {
 #'   they should be labeled on their north or south end points, respectively.
 #'   Parallels run east-west, and the letters `"E"` and `"W"` indicate that they
 #'   should be labeled on their east or west end points, respectively. Thus,
-#'   `label_axes = "SW"` would label meridians at their south end and parallels at
-#'   their west end, whereas `label_axes = "EW"` would label parallels at both
+#'   `label_graticules = "SW"` would label meridians at their south end and parallels at
+#'   their west end, whereas `label_graticules = "EW"` would label parallels at both
 #'   ends and meridians not at all. Because meridians and parallels can in general
-#'   intersect with any side of the plot panel, for any choice of `label_axes` labels
+#'   intersect with any side of the plot panel, for any choice of `label_graticules` labels
 #'   are not guaranteed to reside on only one particular side of the plot panel.
 #'
 #'   This parameter can be used alone or in combination with `label_axes`.