[COMMITTED] manual: fix typo in tunables.texi

[Yury Khrustalev]

---

Pushed as obvious.

---
 manual/tunables.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/manual/tunables.texi b/manual/tunables.texi
index d11ca7ed7c..e4592e23cc 100644
--- a/manual/tunables.texi
+++ b/manual/tunables.texi
@@ -759,7 +759,7 @@ Linux version 5.17, although not always enabled by some kernel
 configurations), this tunable can be used to control whether
 @theglibc{} decorates the underlying memory obtained from operating
 system with a string describing its usage (for instance, on the thread
-stack created by @code{ptthread_create} or memory allocated by
+stack created by @code{pthread_create} or memory allocated by
 @code{malloc}).
 
 The process mappings can be obtained by reading the @code{/proc/<pid>maps}
-- 
2.47.3