diff --git a/reference/mongo/writeconcerns.xml b/reference/mongo/writeconcerns.xml
index 487f050356..3f5865cb42 100644
--- a/reference/mongo/writeconcerns.xml
+++ b/reference/mongo/writeconcerns.xml
@@ -19,8 +19,8 @@
and then followup with a getLastError command
(GLE) with the Write Concern option which will be blocked
until the Write Concern condition is verified to be fullfilled, or the query
- times out (controlled with the "wtimeout" option, no
- timeout by default).
+ times out (controlled with the "wtimeout" option,
+ 10000 milliseconds is the default).