diff --git a/omaha_request_params.h b/omaha_request_params.h
index 1c0ac0d..8acbc4e 100644
--- a/omaha_request_params.h
+++ b/omaha_request_params.h
@@ -299,7 +299,7 @@
   // Fetches the value for a given key from
   // /mnt/stateful_partition/etc/lsb-release if possible and |stateful_override|
   // is true. Failing that, it looks for the key in /etc/lsb-release. If
-  // |validator| is non-NULL, uses it to validate and ignore invalid values.
+  // |validator| is non-null, uses it to validate and ignore invalid values.
   std::string GetLsbValue(const std::string& key,
                           const std::string& default_value,
                           ValueValidator validator,