diff --git a/CHANGES b/CHANGES
index 0271896f..8f4cd084 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,8 @@
 v3.x.y - YYYY-MMM-DD (to be released)
 -------------------------------------
 
+  - Fix initcol error message wording
+    [Issue #2731 - @877509395, @martinhsv]
   - Tolerate other parameters after boundary in multipart C-T
     [Issue #1900 - @martinhsv]
   - Add DebugLog message for bad pattern in rx operator
diff --git a/src/actions/init_col.cc b/src/actions/init_col.cc
index fe80068c..0c6fafe9 100644
--- a/src/actions/init_col.cc
+++ b/src/actions/init_col.cc
@@ -46,7 +46,7 @@ bool InitCol::init(std::string *error) {
         m_collection_key != "global" &&
         m_collection_key != "resource") {
         error->assign("Something wrong with initcol: collection must be " \
-            "`ip' or `global'");
+            "`ip', `global' or `resource'");
         return false;
     }