diff --git a/src/DriverUNV/UNV_Utilities.hxx b/src/DriverUNV/UNV_Utilities.hxx
index 049e04e8f..50a53a75f 100644
--- a/src/DriverUNV/UNV_Utilities.hxx
+++ b/src/DriverUNV/UNV_Utilities.hxx
@@ -36,7 +36,7 @@
 namespace UNV{
   using namespace std;
 
-  const size_t theMaxLineLen = 82;
+  const size_t theMaxLineLen = 82; // 80 for text + 2 for "\r\n"
 
   class MESHDRIVERUNV_EXPORT PrefixPrinter{
     static int myCounter;