diff --git a/booksrc/errorchecked_heap.c b/booksrc/errorchecked_heap.c
index ee9f1fd..139a8d5 100644
--- a/booksrc/errorchecked_heap.c
+++ b/booksrc/errorchecked_heap.c
@@ -17,7 +17,7 @@ int main(int argc, char *argv[]) {
    printf("\t[+] allocating %d bytes of memory on the heap for char_ptr\n", mem_size);
    char_ptr = (char *) errorchecked_malloc(mem_size); // allocating heap memory
 
-   strcpy(char_ptr, "This is memory is located on the heap.");
+   strcpy(char_ptr, "This memory is located on the heap.");
    printf("char_ptr (%p) --> '%s'\n", char_ptr, char_ptr);
 
    printf("\t[+] allocating 12 bytes of memory on the heap for int_ptr\n");
diff --git a/booksrc/heap_example.c b/booksrc/heap_example.c
index e3dda98..0612301 100644
--- a/booksrc/heap_example.c
+++ b/booksrc/heap_example.c
@@ -20,7 +20,7 @@ int main(int argc, char *argv[]) {
       exit(-1);
    }
 
-   strcpy(char_ptr, "This is memory is located on the heap.");
+   strcpy(char_ptr, "This memory is located on the heap.");
    printf("char_ptr (%p) --> '%s'\n", char_ptr, char_ptr);
 
    printf("\t[+] allocating 12 bytes of memory on the heap for int_ptr\n");