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-rw-r--r--doc/apk-upgrade.8.scd4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/apk-upgrade.8.scd b/doc/apk-upgrade.8.scd
index a7c77f4..bc12d98 100644
--- a/doc/apk-upgrade.8.scd
+++ b/doc/apk-upgrade.8.scd
@@ -42,6 +42,10 @@ following options:
*--no-self-upgrade*
Do not do an early upgrade of the 'apk-tools' package.
+*--prune*
+ Prune the _world_ by removing packages which are no longer available
+ from any configured repository.
+
*--self-upgrade-only*
Only perform a self-upgrade of the 'apk-tools' package.