From 3b4045c149110ff409326e91ae1db84f16e7c0e6 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Wed, 17 Nov 2021 04:11:15 +0200
Subject: [PATCH] Minor doc update

---
 doc/system/usage.adoc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/system/usage.adoc b/doc/system/usage.adoc
index f9245e0..e445e6a 100644
--- a/doc/system/usage.adoc
+++ b/doc/system/usage.adoc
@@ -927,7 +927,7 @@ constexpr` source location object each time:
 
 ```
 #define ASSIGN_ZLIB_ERROR(ec, r) { \
-    static BOOST_CONSTEXPR boost::source_location loc = BOOST_CURRENT_LOCATION; \
+    BOOST_STATIC_CONSTEXPR boost::source_location loc = BOOST_CURRENT_LOCATION; \
     assign_zlib_error( ec, r, &loc ); }
 ```