diff --git a/src/hotspot/share/nmt/mallocHeader.inline.hpp b/src/hotspot/share/nmt/mallocHeader.inline.hpp
index 34ec891d33f..8b1862332fc 100644
--- a/src/hotspot/share/nmt/mallocHeader.inline.hpp
+++ b/src/hotspot/share/nmt/mallocHeader.inline.hpp
@@ -104,7 +104,7 @@ inline OutTypeParam MallocHeader::resolve_checked_impl(InTypeParam memblock) {
   OutTypeParam header_pointer = (OutTypeParam)memblock - 1;
   if (!header_pointer->check_block_integrity(msg, sizeof(msg), &corruption)) {
     header_pointer->print_block_on_error(tty, corruption != nullptr ? corruption : (address)header_pointer);
-    fatal("NMT corruption: Block at " PTR_FORMAT ": %s", p2i(memblock), msg);
+    fatal("NMT has detected a memory corruption bug. Block at " PTR_FORMAT ": %s", p2i(memblock), msg);
   }
   return header_pointer;
 }
diff --git a/test/hotspot/gtest/nmt/test_nmt_buffer_overflow_detection.cpp b/test/hotspot/gtest/nmt/test_nmt_buffer_overflow_detection.cpp
index f987d83755c..ae3f4e74516 100644
--- a/test/hotspot/gtest/nmt/test_nmt_buffer_overflow_detection.cpp
+++ b/test/hotspot/gtest/nmt/test_nmt_buffer_overflow_detection.cpp
@@ -35,7 +35,7 @@
 
 // This prefix shows up on any c heap corruption NMT detects. If unsure which assert will
 // come, just use this one.
-#define COMMON_NMT_HEAP_CORRUPTION_MESSAGE_PREFIX "NMT corruption"
+#define COMMON_NMT_HEAP_CORRUPTION_MESSAGE_PREFIX "NMT has detected a memory corruption bug."
 
 #define DEFINE_TEST(test_function, expected_assertion_message)                            \
   TEST_VM_FATAL_ERROR_MSG(NMT, test_function, ".*" expected_assertion_message ".*") {     \