diff --git a/R/dotdotdot.R b/R/dotdotdot.R
index cbf281fd8..a19d6a6a4 100644
--- a/R/dotdotdot.R
+++ b/R/dotdotdot.R
@@ -68,8 +68,7 @@ unpack_bool_expr_result = function(...) {
       if (!is.null(names(l))) {
         Err_plain(
           "Detected a named input.",
-          "This usually means that you've used `=` instead of `==`.",
-          "Some names seen:", head(names(l))
+          "This usually means that you've used `=` instead of `==`."
         )
       } else {
         l |>
diff --git a/R/error__rpolarserr.R b/R/error__rpolarserr.R
index 5561cffc5..bbdf7836b 100644
--- a/R/error__rpolarserr.R
+++ b/R/error__rpolarserr.R
@@ -56,7 +56,7 @@ bad_robj = function(r) {
 }
 
 Err_plain = function(...) {
-  Err(.pr$Err$new()$plain(paste0(..., collapse = " ")))
+  Err(.pr$Err$new()$plain(paste(..., collapse = " ")))
 }
 
 # short hand for extracting an error context in unit testing, will raise error if not an RPolarsErr