diff --git a/progs/include/bpf_map_def.h b/progs/include/bpf_map_def.h
index 8523c36..50a822c 100644
--- a/progs/include/bpf_map_def.h
+++ b/progs/include/bpf_map_def.h
@@ -57,8 +57,9 @@
     unsigned int uid;
     unsigned int gid;
 
-    unsigned int min_kver;  // KERNEL_MAJOR * 65536 + KERNEL_MINOR * 256 + KERNEL_SUB
-    unsigned int max_kver;  // ie. 0x40900 for Linux 4.9 - but beware of hexadecimal for >= 10
+    // kernelVersion() must be >= min_kver and < max_kver
+    unsigned int min_kver;
+    unsigned int max_kver;
 
-    bool optional;  // program section (ie. function) may fail to load, continue onto next func. 
+    bool optional;  // program section (ie. function) may fail to load, continue onto next func.
 };