cleaning up a little
diff --git a/apps/testdsa.h b/apps/testdsa.h
index 4a453d4..f0bfbb1 100644
--- a/apps/testdsa.h
+++ b/apps/testdsa.h
@@ -1,4 +1,5 @@
 /* NOCW */
+/* used by apps/speed.c */
 DSA *get_dsa512(void );
 DSA *get_dsa1024(void );
 DSA *get_dsa2048(void );