diff --git a/doc/SPOE.txt b/doc/SPOE.txt
index dfc0b718b8..71c7fde90f 100644
--- a/doc/SPOE.txt
+++ b/doc/SPOE.txt
@@ -761,6 +761,10 @@ Here are the list of official capabilities that HAProxy and agents can support:
 
 Unsupported or unknown capabilities are silently ignored, when possible.
 
+NOTE: HAProxy does not support the fragmentation for now. This means it is not
+      able to handle fragmented frames. However, if an agent announces the
+      fragmentation support, HAProxy may choose to send fragemented frames.
+
 3.2.2. Frame types overview
 ----------------------------