diff --git a/R/scale_continuous_sg.R b/R/scale_continuous_sg.R
index b76cb8d..1edbe0f 100644
--- a/R/scale_continuous_sg.R
+++ b/R/scale_continuous_sg.R
@@ -5,7 +5,8 @@
 #' @param na.value Colour to set for missing values.
 #' @param guide A name or function used to create guide. Default is "colourbar".
 #' @inheritParams scale_colour_discrete_sg
-#' @param na_colour `r lifecycle::badge('deprecated')` Use `na.value` instead.
+#' @param na_colour `r lifecycle::badge('deprecated')` Use the `na.value`
+#'  argument instead.
 #'
 #' @returns ggplot2 continuous colour/fill scale
 #'
@@ -32,7 +33,7 @@ scale_colour_continuous_sg <- function(palette = "sequential",
 
   if (lifecycle::is_present(na_colour)) {
     lifecycle::deprecate_warn(
-      when = "0.4.0",
+      when = "0.5.0",
       what = "scale_colour_continuous_sg(na_colour)",
       with = "scale_colour_continuous_sg(na.value)"
     )
@@ -67,7 +68,7 @@ scale_fill_continuous_sg <- function(palette = "sequential",
 
   if (lifecycle::is_present(na_colour)) {
     lifecycle::deprecate_warn(
-      when = "0.4.0",
+      when = "0.5.0",
       what = "scale_fill_continuous_sg(na_colour)",
       with = "scale_fill_continuous_sg(na.value)"
     )
diff --git a/R/use_sgplot.R b/R/use_sgplot.R
index cdd1da3..0f4b59d 100644
--- a/R/use_sgplot.R
+++ b/R/use_sgplot.R
@@ -44,12 +44,10 @@ use_sgplot <- function(palette_type = "sg",
 
   if (lifecycle::is_present(default_colour)) {
     lifecycle::deprecate_warn(
-      when = "0.4.0",
+      when = "0.5.0",
       what = "use_sgplot(default_colour)",
-      details = c(
-        "Please use the `palette_type` argument instead.",
-        "The `default colour` value supplied will not be used."
-      )
+      with = "use_sgplot(palette_type)",
+      details = "The `default colour` argument supplied will not be used."
     )
   }
 
diff --git a/man/scale_colour_continuous_sg.Rd b/man/scale_colour_continuous_sg.Rd
index f2a5cb3..c4585ab 100644
--- a/man/scale_colour_continuous_sg.Rd
+++ b/man/scale_colour_continuous_sg.Rd
@@ -41,7 +41,8 @@ reversed.}
 
 \item{...}{Additional arguments passed to scale type.}
 
-\item{na_colour}{\ifelse{html}{\href{https://lifecycle.r-lib.org/articles/stages.html#deprecated}{\figure{lifecycle-deprecated.svg}{options: alt='[Deprecated]'}}}{\strong{[Deprecated]}} Use \code{na.value} instead.}
+\item{na_colour}{\ifelse{html}{\href{https://lifecycle.r-lib.org/articles/stages.html#deprecated}{\figure{lifecycle-deprecated.svg}{options: alt='[Deprecated]'}}}{\strong{[Deprecated]}} Use the \code{na.value}
+argument instead.}
 }
 \value{
 ggplot2 continuous colour/fill scale