[PATCH] tracing/histogram: Fix documentation inline emphasis warning

[Kalesh Singh]

This fixes the warning:

Documentation/trace/histogram.rst:1766: WARNING: Inline emphasis
start-string without end-string

The issue was caused by an unescaped '*' character.

Signed-off-by: Kalesh Singh <kaleshsingh@xxxxxxxxxx>
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
 Documentation/trace/histogram.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/trace/histogram.rst b/Documentation/trace/histogram.rst
index e12699abaee8..66ec972dfb78 100644
--- a/Documentation/trace/histogram.rst
+++ b/Documentation/trace/histogram.rst
@@ -1764,7 +1764,7 @@ using the same key and variable from yet another event::
   # echo 'hist:key=pid:wakeupswitch_lat=$wakeup_lat+$switchtime_lat ...' >> event3/trigger
 
 Expressions support the use of addition, subtraction, multiplication and
-division operators (+-*/).
+division operators (+-\*/).
 
 Note that division by zero always returns -1.
 
-- 
2.33.0.1079.g6e70778dc9-goog