tiny typo fix

[Dmitry Polyakov]

>From 49129805f8103a4a88de6bec696ceff16420ac8a Mon Sep 17 00:00:00 2001
From: Dmitry Polyakov <liltechdude@gmail.com>
Date: Fri, 14 Oct 2022 10:31:11 +0500
Subject: [PATCH] api-scheduling.texi: Fix typo

* doc/ref/api-scheduling.texi (thread?): fix typo
---
 doc/ref/api-scheduling.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/ref/api-scheduling.texi b/doc/ref/api-scheduling.texi
index 09e65e728..ffefbf416 100644
--- a/doc/ref/api-scheduling.texi
+++ b/doc/ref/api-scheduling.texi
@@ -80,7 +80,7 @@ Once @var{body} or @var{handler} returns, the return value is 
made the
 
 @deffn {Scheme Procedure} thread? obj
 @deffnx {C Function} scm_thread_p (obj)
-Return @code{#t} ff @var{obj} is a thread; otherwise, return
+Return @code{#t} if @var{obj} is a thread; otherwise, return
 @code{#f}.
 @end deffn
 

base-commit: bc3b1a4e2d19cf9fd748297bcecf4f868499fa62
-- 
2.38.0

-- 
sanity level in trouble