diff --git a/src/bitmap.c b/src/bitmap.c
index 4ea9f4af..037e1735 100644
--- a/src/bitmap.c
+++ b/src/bitmap.c
@@ -108,7 +108,7 @@ bool _mi_bitmap_try_find_from_claim(mi_bitmap_t bitmap, const size_t bitmap_fiel
   return false;
 }
 
-// Like _mi_bitmap_try_find_from_claim but with an extra predicate that must be fullfilled
+// Like _mi_bitmap_try_find_from_claim but with an extra predicate that must be fulfilled
 bool _mi_bitmap_try_find_from_claim_pred(mi_bitmap_t bitmap, const size_t bitmap_fields, 
             const size_t start_field_idx, const size_t count, 
             mi_bitmap_pred_fun_t pred_fun, void* pred_arg,            
diff --git a/src/bitmap.h b/src/bitmap.h
index 0c501ec1..5ef2f91f 100644
--- a/src/bitmap.h
+++ b/src/bitmap.h
@@ -72,7 +72,7 @@ bool _mi_bitmap_try_find_claim_field(mi_bitmap_t bitmap, size_t idx, const size_
 // For now, `count` can be at most MI_BITMAP_FIELD_BITS and will never cross fields.
 bool _mi_bitmap_try_find_from_claim(mi_bitmap_t bitmap, const size_t bitmap_fields, const size_t start_field_idx, const size_t count, mi_bitmap_index_t* bitmap_idx);
 
-// Like _mi_bitmap_try_find_from_claim but with an extra predicate that must be fullfilled
+// Like _mi_bitmap_try_find_from_claim but with an extra predicate that must be fulfilled
 typedef bool (mi_cdecl *mi_bitmap_pred_fun_t)(mi_bitmap_index_t bitmap_idx, void* pred_arg);
 bool _mi_bitmap_try_find_from_claim_pred(mi_bitmap_t bitmap, const size_t bitmap_fields, const size_t start_field_idx, const size_t count, mi_bitmap_pred_fun_t pred_fun, void* pred_arg, mi_bitmap_index_t* bitmap_idx);