1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 8afe261..77504be 100644
--- a/README.md
+++ b/README.md
@@ -110,7 +110,7 @@ Example:
 
 ```C
 static BOOL CALLBACK
-ConsoleLogger(_In_ WINTUN_LOGGER_LEVEL Level, _In_ const WCHAR *LogLine)
+ConsoleLogger(_In_ WINTUN_LOGGER_LEVEL Level, _In_z_ const WCHAR *LogLine)
 {
     const WCHAR *Template;
     switch (Level)