diff --git a/du3/program.c b/du3/program.c
index e4d61e9..c274ab5 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -6,20 +6,20 @@ int main(){
     int year;
     scanf("%d.%d.%d", &day, &month, &year);
     if(day < 1 || day > 31 || month < 1 || month > 12){
-        puts("Neplatny datum");
+        puts("Nespravny datum");
         return 0;
     }
     if(month == 2 && day > 29){
-        puts("Neplatny datum");
+        puts("Nespravny datum");
         return 0;
     }
     if(year % 4 != 0 && month == 2 && day > 28){
-        puts("Neplatny datum");
+        puts("Nespravny datum");
         return 0;
     }
     if(month == 4 || month == 6 || month == 9 || month == 11){
 if(day > 30){
-        puts("Neplatny datum");
+        puts("Nespravny datum");
         return 0;
 }
     }