DOC/MINOR: Fix formatting in Management Guide

section numbering used '9.2)' instead of '9.2.'.
diff --git a/doc/management.txt b/doc/management.txt
index e7ca98f..5e6262c 100644
--- a/doc/management.txt
+++ b/doc/management.txt
@@ -1136,7 +1136,7 @@
 not guaranteed. In this case, the header line should always be used to parse
 the CSV data.
 
-9.2) Typed output format
+9.2. Typed output format
 ------------------------
 
 Both "show info" and "show stat" support a mode where each output value comes