diff --git a/cv3/program.c b/cv3/program.c
index b068457..4cee380 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -77,7 +77,7 @@ int main()
                             if(c=='/' && op2==0) 
                             {
                                 err=1;
-                                printf("division_by_zero\n");  
+                                printf("division by zero\n");  
                             }
                             else
                                 rez=op1/op2;