diff --git a/examples/forward_backward_compatibility.cpp b/examples/forward_backward_compatibility.cpp
index 0ac9f57..827d493 100644
--- a/examples/forward_backward_compatibility.cpp
+++ b/examples/forward_backward_compatibility.cpp
@@ -39,7 +39,7 @@ struct Weapon
   template<typename S>
   void serialize(S& s)
   {
-    // forward/backward compatibility for monsters
+    // forward/backward compatibility for weapons
     s.ext(*this, bitsery::ext::Growable{}, [](S& s, Weapon& o1) {
       s.text1b(o1.name, 20);
       s.value2b(o1.damage);
@@ -103,8 +103,6 @@ main()
 
   // create buffer to store data to
   Buffer buffer{};
-  // since we're using different configuration, we cannot use quickSerialization
-  // function.
   auto writtenSize = bitsery::quickSerialization<OutputAdapter>(buffer, data);
 
   MyTypes::Monster res{};
diff --git a/include/bitsery/ext/growable.h b/include/bitsery/ext/growable.h
index f6458c2..6ad948c 100644
--- a/include/bitsery/ext/growable.h
+++ b/include/bitsery/ext/growable.h
@@ -24,7 +24,7 @@
 #define BITSERY_EXT_GROWABLE_H
 
 #include "../traits/core/traits.h"
-#include <cstdint>
+#include <stdint.h>
 
 namespace bitsery {
 
diff --git a/include/bitsery/ext/std_bitset.h b/include/bitsery/ext/std_bitset.h
index f34a883..f709147 100644
--- a/include/bitsery/ext/std_bitset.h
+++ b/include/bitsery/ext/std_bitset.h
@@ -25,7 +25,7 @@
 
 #include "../traits/core/traits.h"
 #include <bitset>
-#include <cstdint>
+#include <stdint.h>
 
 namespace bitsery {
 namespace ext {