diff --git a/.gitignore b/.gitignore
index e4e5f6c..e16dda3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-*~
\ No newline at end of file
+*~
+*.DS_Store
\ No newline at end of file
diff --git a/SRC/fir_sol/iir_sol.vhd b/SRC/fir_sol/iir_sol.vhd
index 82d6c5e..f3b3f18 100755
--- a/SRC/fir_sol/iir_sol.vhd
+++ b/SRC/fir_sol/iir_sol.vhd
@@ -46,5 +46,7 @@ begin
 
 	comb: comb_part port map(Input,reg_sig(0 to NIN-2),reg_sig(NIN-1));
 
+test
+
 end Structural;