diff --git a/R/geom-jitter.r b/R/geom-jitter.r
index 0ebaa166bf..3864090fdb 100644
--- a/R/geom-jitter.r
+++ b/R/geom-jitter.r
@@ -39,7 +39,7 @@ geom_jitter <- function(mapping = NULL, data = NULL,
                         inherit.aes = TRUE) {
   if (!missing(width) || !missing(height)) {
     if (!missing(position)) {
-      stop("Specify either `position` or `width`/`height`", call. = FALSE)
+      stop("You must specify either `position` or `width`/`height`.", call. = FALSE)
     }
 
     position <- position_jitter(width = width, height = height)
diff --git a/R/geom-label.R b/R/geom-label.R
index 921f4784ac..18384f8a21 100644
--- a/R/geom-label.R
+++ b/R/geom-label.R
@@ -17,7 +17,7 @@ geom_label <- function(mapping = NULL, data = NULL,
                        inherit.aes = TRUE) {
   if (!missing(nudge_x) || !missing(nudge_y)) {
     if (!missing(position)) {
-      stop("Specify either `position` or `nudge_x`/`nudge_y`", call. = FALSE)
+      stop("You must specify either `position` or `nudge_x`/`nudge_y`.", call. = FALSE)
     }
 
     position <- position_nudge(nudge_x, nudge_y)
diff --git a/R/geom-text.r b/R/geom-text.r
index d86fee04a6..3c5b087d54 100644
--- a/R/geom-text.r
+++ b/R/geom-text.r
@@ -136,7 +136,7 @@ geom_text <- function(mapping = NULL, data = NULL,
 {
   if (!missing(nudge_x) || !missing(nudge_y)) {
     if (!missing(position)) {
-      stop("Specify either `position` or `nudge_x`/`nudge_y`", call. = FALSE)
+      stop("You must specify either `position` or `nudge_x`/`nudge_y`.", call. = FALSE)
     }
 
     position <- position_nudge(nudge_x, nudge_y)
diff --git a/R/sf.R b/R/sf.R
index f47808a316..8cc629b8f6 100644
--- a/R/sf.R
+++ b/R/sf.R
@@ -347,7 +347,7 @@ geom_sf_text <- function(mapping = aes(), data = NULL,
 
   if (!missing(nudge_x) || !missing(nudge_y)) {
     if (!missing(position)) {
-      stop("Specify either `position` or `nudge_x`/`nudge_y`", call. = FALSE)
+      stop("You must specify either `position` or `nudge_x`/`nudge_y`.", call. = FALSE)
     }
 
     position <- position_nudge(nudge_x, nudge_y)