Correct the name of stats.mutexes.prof_thds_data in doc.
diff --git a/doc/jemalloc.xml.in b/doc/jemalloc.xml.in
index ce7acd9..12dc571 100644
--- a/doc/jemalloc.xml.in
+++ b/doc/jemalloc.xml.in
@@ -2733,7 +2733,7 @@
         counters</link>.</para></listitem>
       </varlistentry>
 
-      <varlistentry id="stats.mutexes.prof_tdatas">
+      <varlistentry id="stats.mutexes.prof_thds_data">
         <term>
           <mallctl>stats.mutexes.prof_thds_data.{counter}</mallctl>
 	  (<type>counter specific type</type>) <literal>r-</literal>