diff --git a/R/plotDMN.R b/R/plotDMN.R
index 79bb4319..2aea2658 100644
--- a/R/plotDMN.R
+++ b/R/plotDMN.R
@@ -55,7 +55,8 @@ setMethod("plotDMNFit", signature = c(x = "SummarizedExperiment"),
             dmn <- metadata(x)[[name]]$dmm
         } else {
             .Deprecated(old="getDMN", new="addCluster", 
-                    "Now runDMN and calculateDMN are deprecated. Use addCluster with DMMParam parameter and full parameter set as true instead.")
+               "Now runDMN and calculateDMN are deprecated. Use addCluster with ",
+               "DMMParam parameter and full parameter set as true instead.")
             dmn <- metadata(x)[[name]]
         }
         fit_FUN <- mia:::.get_dmn_fit_FUN(type)