diff --git a/doc/FAQ_DEV b/doc/FAQ_DEV
index 93be4bb2a38..0de0d6407c9 100644
--- a/doc/FAQ_DEV
+++ b/doc/FAQ_DEV
@@ -27,7 +27,7 @@
11) What is configure all about?
12) How do I add a new port?
13) What is CommandCounterIncrement()?
- 13) Why don't we use threads in the backend?
+ 14) Why don't we use threads in the backend?
_________________________________________________________________
1) What tools are available for developers?
diff --git a/doc/src/FAQ/FAQ_DEV.html b/doc/src/FAQ/FAQ_DEV.html
index 792446a1ac4..3b302172184 100644
--- a/doc/src/FAQ/FAQ_DEV.html
+++ b/doc/src/FAQ/FAQ_DEV.html
@@ -50,7 +50,7 @@
11) What is configure all about?
12) How do I add a new port?
13) What is CommandCounterIncrement()?
- 13) Why don't we use threads in the backend?
+ 14) Why don't we use threads in the backend?