diff --git a/meta-openembedded/meta-perl/README b/meta-openembedded/meta-perl/README
index 2419ae2..c519dff 100644
--- a/meta-openembedded/meta-perl/README
+++ b/meta-openembedded/meta-perl/README
@@ -36,7 +36,7 @@
 
         1) vim local.conf:
         ...
-        IMAGE_INSTALL_append = " libdbd-sqlite-perl"
+        IMAGE_INSTALL:append = " libdbd-sqlite-perl"
         PERL_DBM_TEST = "1"
         ...
         2) build core-image-sato and boot the target