diff --git a/reference/exec/functions/proc-open.xml b/reference/exec/functions/proc-open.xml
index a90bf4c285..eb1e09331f 100644
--- a/reference/exec/functions/proc-open.xml
+++ b/reference/exec/functions/proc-open.xml
@@ -134,10 +134,12 @@
context: stream context used when opening files
(created with stream_context_create)
+