diff --git a/doc/manual/command-ref/conf-file.xml b/doc/manual/command-ref/conf-file.xml
index c3ef184e7..abebd2c89 100644
--- a/doc/manual/command-ref/conf-file.xml
+++ b/doc/manual/command-ref/conf-file.xml
@@ -66,7 +66,7 @@ flag, e.g. --option gc-keep-outputs false.
Keeping derivation around is useful for querying and
traceability (e.g., it allows you to ask with what dependencies or
options a store path was built), so by default this option is on.
- Turn it off to safe a bit of disk space (or a lot if
+ Turn it off to save a bit of disk space (or a lot if
gc-keep-outputs is also turned on).