diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab4c75c..b5486b8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.0)
 project(learningc LANGUAGES C)
 
 set(CHAPTER 2)
-set(EXERCISE 2)
+set(EXERCISE 1)
 
 add_executable(learningc chapters/${CHAPTER}/exercises/${EXERCISE}.c)
 
diff --git a/chapters/2/exercises/1.c b/chapters/2/exercises/1.c
index f620553..72954e3 100644
--- a/chapters/2/exercises/1.c
+++ b/chapters/2/exercises/1.c
@@ -10,7 +10,7 @@ int main() {
     printf("\tUnsigned: %i to %i\n", 0, USHRT_MAX);
     printf("Int range is:\n");
     printf("\tSigned: %i to %i\n", INT_MIN, INT_MAX);
-    printf("\tUnsigned: %i to %i\n", 0, UINT_MAX);
+    printf("\tUnsigned: %i to %u\n", 0, UINT_MAX);
     printf("Long range is:\n");
     printf("\tSigned: %li to %li\n", LONG_MIN, LONG_MAX);
     printf("\tUnsigned: %i to %lu\n", 0, ULONG_MAX);