1 files changed, 1 insertions, 0 deletions
diff --git a/src/port.h b/src/port.h
index f2e1564..acf9c7b 100644
--- a/src/port.h
+++ b/src/port.h
@@ -37,6 +37,7 @@ typedef unsigned char _Bool;
 #define PORT_DIR_SEPARATOR '/'
 #endif
 
+// snprintf format for GPid (number on Unix, pointer/handle on Windows)
 #ifdef _WIN32
 #define PRIgid "%p"
 #else