[Qemu-trivial] [PATCH] docs: Update documentation for stderr (now log) tracing backend.

[Richard W.M. Jones]

This fixes commit ed7f5f1d8db06fc31352a5ef4f54985e630c575a.

Signed-off-by: Richard W.M. Jones.
Cc: Paolo Bonzini <address@hidden>
Cc: Stefan Hajnoczi <address@hidden>
---
 docs/tracing.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/tracing.txt b/docs/tracing.txt
index 3182ee8..0bd6b9c 100644
--- a/docs/tracing.txt
+++ b/docs/tracing.txt
@@ -157,9 +157,9 @@ performance penalty.
 Note that regardless of the selected trace backend, events with the "disable"
 property will be generated with the "nop" backend.
 
-=== Stderr ===
+=== Log ===
 
-The "stderr" backend sends trace events directly to standard error.  This
+The "log" backend sends trace events directly to standard error.  This
 effectively turns trace events into debug printfs.
 
 This is the simplest backend and can be used together with existing code that
-- 
2.7.4