From 3014b3d770fbbd54e25d2312b679f991512a348d Mon Sep 17 00:00:00 2001
From: Victor Zverovich <viz@fb.com>
Date: Sun, 26 Dec 2021 07:23:43 -0800
Subject: [PATCH] Clarify that C strings must be null-terminated

---
 doc/syntax.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/syntax.rst b/doc/syntax.rst
index 832dadca..9d3cb57c 100644
--- a/doc/syntax.rst
+++ b/doc/syntax.rst
@@ -161,7 +161,8 @@ displayed after the decimal point for a floating-point value formatted with
 value formatted with ``'g'`` or ``'G'``.  For non-number types the field
 indicates the maximum field size - in other words, how many characters will be
 used from the field content. The *precision* is not allowed for integer,
-character, Boolean, and pointer values.
+character, Boolean, and pointer values. Note that a C string must be
+null-terminated even if precision is specified.
 
 The ``'L'`` option uses the current locale setting to insert the appropriate
 number separator characters. This option is only valid for numeric types.