diff --git a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahGenerationalHeuristics.cpp b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahGenerationalHeuristics.cpp
index 9ead89aa426..07938bd1195 100644
--- a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahGenerationalHeuristics.cpp
+++ b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahGenerationalHeuristics.cpp
@@ -77,7 +77,7 @@ void ShenandoahGenerationalHeuristics::choose_collection_set(ShenandoahCollectio
 
   for (size_t i = 0; i < num_regions; i++) {
     ShenandoahHeapRegion* region = heap->get_region(i);
-    assert(!region->is_active_alloc_region(), "Not expecting any active alloc region at the time");
+    assert(!region->is_active_alloc_region(), "There should be no active alloc regions when choosing collection set");
     if (!_generation->contains(region)) {
       continue;
     }
diff --git a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahHeuristics.cpp b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahHeuristics.cpp
index db0197eb93c..d39c6eccc7e 100644
--- a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahHeuristics.cpp
+++ b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahHeuristics.cpp
@@ -99,7 +99,7 @@ void ShenandoahHeuristics::choose_collection_set(ShenandoahCollectionSet* collec
 
   for (size_t i = 0; i < num_regions; i++) {
     ShenandoahHeapRegion* region = heap->get_region(i);
-    assert(!region->is_active_alloc_region(), "Not expecting any active alloc region at the time");
+    assert(!region->is_active_alloc_region(), "There should be no active alloc regions when rebuilding free set");
 
     size_t garbage = region->garbage();
     total_garbage += garbage;
diff --git a/src/hotspot/share/gc/shenandoah/shenandoahFreeSet.cpp b/src/hotspot/share/gc/shenandoah/shenandoahFreeSet.cpp
index 06f6e401a88..c5bb0f49706 100644
--- a/src/hotspot/share/gc/shenandoah/shenandoahFreeSet.cpp
+++ b/src/hotspot/share/gc/shenandoah/shenandoahFreeSet.cpp
@@ -1951,7 +1951,7 @@ void ShenandoahFreeSet::find_regions_with_alloc_capacity(size_t &young_trashed_r
   size_t num_regions = _heap->num_regions();
   for (size_t idx = 0; idx < num_regions; idx++) {
     ShenandoahHeapRegion* region = _heap->get_region(idx);
-    assert(!region->is_active_alloc_region(), "Not expecting any active alloc region at the time");
+    assert(!region->is_active_alloc_region(), "There should be no active alloc regions when choosing collection set");
     if (region->is_trash()) {
       // Trashed regions represent immediate garbage identified by final mark and regions that had been in the collection
       // partition but have not yet been "cleaned up" following update refs.