--- a/src/hotspot/share/gc/parallel/psMarkSweep.cpp	Mon May 07 09:11:21 2018 +0200
+++ b/src/hotspot/share/gc/parallel/psMarkSweep.cpp	Mon May 07 23:07:01 2018 +0200
@@ -293,7 +293,7 @@
         assert(young_gen->max_size() >
           young_gen->from_space()->capacity_in_bytes() +
           young_gen->to_space()->capacity_in_bytes(),
-          "Sizes of space in young gen are out-of-bounds");
+          "Sizes of space in young gen are out of bounds");
 
         size_t young_live = young_gen->used_in_bytes();
         size_t eden_live = young_gen->eden_space()->used_in_bytes();