Update paper.md

Co-authored-by: Sandro Elsweijer <[email protected]>

paper.md

@@ -152,8 +152,7 @@ mixed shape mesh refined up to level three. Bottom left: The elements saved by p
 
 `t8code` supports distributed coarse meshes of arbitrary size and complexity,
 which we tested for up to 370 million coarse mesh cells [@burstedde_coarse_2017].
-Moreover, we present some of our benchmark results from various
-performance studies conducted on the JUQUEEN [@juqueen_fz_juelich] and the
+Moreover, we conducted various performance studies on the JUQUEEN [@juqueen_fz_juelich] and the
 JUWELS [@juwels_fz_juelich] supercomputers at the Jülich Supercomputing
 Center. `t8code`'s ghost and partition routines are exceptionally fast with
 proper scaling of up to 1.1 trillion mesh elements; see