1 files changed, 3 insertions, 0 deletions
diff --git a/pcap-bpf.h b/pcap-bpf.h
index adf6f722..93745229 100644
--- a/pcap-bpf.h
+++ b/pcap-bpf.h
@@ -38,5 +38,8 @@
 
 /*
  * For backwards compatibility.
+ *
+ * Note to OS vendors: do NOT get rid of this file!  Some applications
+ * might expect to be able to include <pcap-bpf.h>.
  */
 #include <pcap/bpf.h>