diff --git a/README.md b/README.md
index 486fd493b..c31393b20 100644
--- a/README.md
+++ b/README.md
@@ -196,7 +196,7 @@ For further details, see [//build/config.mk](build/config.mk).
 
 Here's the recommended `~/.gdbinit` config:
 
-```
+```gdb
 set host-charset UTF-8
 set target-charset UTF-8
 set target-wide-charset UTF-8