[LyX/master] Typo

[Jean-Marc Lasgouttes]

commit 7ab3c59f006ddaa6a54683a260810217d0272e5e
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Mon Dec 27 19:38:10 2021 +0100

    Typo
---
 src/frontends/qt/GuiFontMetrics.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt/GuiFontMetrics.cpp b/src/frontends/qt/GuiFontMetrics.cpp
index e51d40f..e638e10 100644
--- a/src/frontends/qt/GuiFontMetrics.cpp
+++ b/src/frontends/qt/GuiFontMetrics.cpp
@@ -92,7 +92,7 @@ namespace {
 
 // Limit strwidth_cache_ total cost to 1MB of string data.
 int const strwidth_cache_max_cost = 1024 * 1024;
-// Limit breakat_cache_ total cost to 10MB of string data.
+// Limit breakstr_cache_ total cost to 10MB of string data.
 // This is useful for documents with very large insets.
 int const breakstr_cache_max_cost = 10 * 1024 * 1024;
 // Qt 5.x already has its own caching of QTextLayout objects