diff --git a/cv8/program.c b/cv8/program.c
index 9f95e7b..dc280f1 100644
--- a/cv8/program.c
+++ b/cv8/program.c
@@ -69,7 +69,6 @@ void print_dot(struct tree* node) {
         }
         print_dot(node->right);
     }
-    //printf("}\n");
 }
 
 int count_leaves(struct tree* node) {
@@ -100,7 +99,6 @@ void knowledge_system(struct tree* node) {
         return;
     }
 
-    //printf("%s", node->v);
     printf("Odpovedajte 'a' pre prvu moznost alebo 'n' pre druhu moznost.\n");
     printf("%s", node->v);
 
@@ -108,7 +106,7 @@ void knowledge_system(struct tree* node) {
     do {
         scanf(" %c", &response);
         if (response != 'a' && response != 'n') {
-            printf("Nespravny vstup\n");
+            printf("Nerozumiem\n");
             return;
         }
     } while (response != 'a' && response != 'n');