diff --git a/src/space.h b/src/space.h
index 0b0298e81bbaa15a383124d603b861205ccf4183..8b459d706bb978f7c43480829282e495d051a72f 100644
--- a/src/space.h
+++ b/src/space.h
@@ -143,10 +143,10 @@ struct space {
   /*! The indices of the *local* top-level cells with tasks */
   int *local_cells_with_tasks_top;
 
-  /*! The indices of the top-level cells that have >0 #gpart */
+  /*! The indices of the top-level cells that have >0 particles (of any kind) */
   int *cells_with_particles_top;
 
-  /*! The indices of the top-level cells that have >0 #gpart */
+  /*! The indices of the top-level cells that have >0 particles (of any kind) */
   int *local_cells_with_particles_top;
 
   /*! The total number of parts in the space. */