diff --git a/R/Start.R b/R/Start.R
index bd7696496fb87a516432d193f2430d7b62008ac0..ef9db3e3d02150faa5beff19afd9b412c74b3cee 100644
--- a/R/Start.R
+++ b/R/Start.R
@@ -2036,7 +2036,7 @@ print("-> SELECTORS REQUESTED BEFORE TRANSFORM.")
                       if (first_index - beta <= 0 | last_index + beta > n) {
                         sub_array_of_fri <- 1:n
                         .warning(paste0("Adding the parameter transform_extra_cells =  ", 
-                                        transform_extra_cells, " to the transformed index excesses "
+                                        transform_extra_cells, " to the transformed index excesses ",
                                         "the border. Use the whole index instead."))
                       } else {
                         sub_array_of_fri <- (first_index - beta):(last_index + beta)