diff --git a/cv3/program.c b/cv3/program.c
index f536259..88a101b 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -24,7 +24,7 @@ void print_stack(struct stack* s) {
 
 void push_stack(struct stack* s, float value) {
     if (s->size >= STACK_SIZE) {
-        printf("Chyba: zasobnik je plny\n");
+        printf("full stack\n");
         exit(0);
     }
     s->values[s->size++] = value;
@@ -32,7 +32,7 @@ void push_stack(struct stack* s, float value) {
 
 float pop_stack(struct stack* s) {
     if (s->size == 0) {
-        printf("Chyba: zasobnik je prazdny\n");
+        printf("empty stack\n");
         exit(0);
     }
     return s->values[--s->size];