From 8c905641b954f614b80a442b6084beb6317d2f53 Mon Sep 17 00:00:00 2001
From: Sebastian Funk <sebastian.funk@lshtm.ac.uk>
Date: Tue, 23 Jan 2024 10:06:59 +0000
Subject: [PATCH] further clarify how to construct survey

---
 R/contact_matrix.r | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/R/contact_matrix.r b/R/contact_matrix.r
index 8db4e4a..2cce6fd 100644
--- a/R/contact_matrix.r
+++ b/R/contact_matrix.r
@@ -57,7 +57,10 @@ contact_matrix <- function(survey, countries = NULL, survey.pop, age.limits, fil
   missing.contact.age <- match.arg(missing.contact.age)
 
   if (!is(survey, "survey")) {
-    stop("'survey' must be a survey object (created using `survey()`).")
+    stop(
+      "'survey' must be a survey object (created using `survey()` ",
+      "or `get_survey()`)."
+    )
   }
   ## clean the survey
   survey <- clean(survey)