Fix typo in docs

Author: jbengler

R/facet-wrap.R

@@ -40,7 +40,7 @@ NULL
 #'   `"all_x"` and `"all_y"` will draw the respective axes at the interior
 #'   panels too, whereas `"all"` will draw all axes at all panels.
 #' @param axis.labels Determines whether to draw labels for interior axes when
-#'   the scale is fixed and the `axis` argument is not `"margins"`. When
+#'   the scale is fixed and the `axes` argument is not `"margins"`. When
 #'   `"all"` (default), all interior axes get labels. When `"margins"`, only
 #'   the exterior axes get labels, and the interior axes get none. When
 #'   `"all_x"` or `"all_y"`, only draws the labels at the interior axes in the