diff --git a/documentation/dev-manual/dev-manual-common-tasks.xml b/documentation/dev-manual/dev-manual-common-tasks.xml
index 4b290075cc..a9922dfe31 100644
--- a/documentation/dev-manual/dev-manual-common-tasks.xml
+++ b/documentation/dev-manual/dev-manual-common-tasks.xml
@@ -3554,7 +3554,7 @@
      require conf/multilib.conf
      MULTILIBS = "multilib:lib32"
      DEFAULTTUNE_virtclass-multilib-lib32 = "x86"
-     IMAGE_INSTALL = "lib32-glib-2.0"
+     IMAGE_INSTALL_append = " lib32-glib-2.0"
                     </literallayout>
                     This example enables an
                     additional library named <filename>lib32</filename> alongside the