DOC: fix small typo in fe_id (backend instead of frontend)

Needs to be backported to 1.7 and 1.6 at least.

diff --git a/doc/configuration.txt b/doc/configuration.txt
index f24c396238fe4c02e6cd1cf52cc0b82fb0d8f094..f654c8ea8265195c0e5508c41953214c55d8ac4d 100644 (file)
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -13182,7 +13182,7 @@ fc_reordering(<unit>) : integer
 
 fe_id : integer
   Returns an integer containing the current frontend's id. It can be used in
-  backends to check from which backend it was called, or to stick all users
+  backends to check from which frontend it was called, or to stick all users
   coming via a same frontend to the same server.
 
 fe_name : string