diff --git a/man/scale_x_num.Rd b/man/scale_x_num.Rd
index 24cc78566..c30fcf6ac 100644
--- a/man/scale_x_num.Rd
+++ b/man/scale_x_num.Rd
@@ -35,6 +35,7 @@ omitted.}
 \item A numeric vector of positions
 \item A function that takes the limits as input and returns breaks
 as output (e.g., a function returned by \code{\link[scales:breaks_extended]{scales::extended_breaks()}}).
+Note that for position scales, limits are provided after scale expansion.
 Also accepts rlang \link[rlang:as_function]{lambda} function notation.
 }}
     \item{\code{minor_breaks}}{One of: