diff --git a/chapter08/pkgmgt.xml b/chapter08/pkgmgt.xml
index 8bf8dfdaa..a5c64f3f6 100644
--- a/chapter08/pkgmgt.xml
+++ b/chapter08/pkgmgt.xml
@@ -85,6 +85,22 @@
libraries until all the dependent packages have been recompiled.
+ If a package is (directly or indirectly) linked to
+ both the old and new names of one shared library (for example, the
+ package links to both
+ libfoo.so.2 and
+ libbar.so.1, while the latter
+ links to
+ libfoo.so.3 in turn), the
+ package may malfunction because the different names of the shared
+ library provide incompatible functions with same symbol names. This
+ can be caused by recompiling some (but not all) packages linked to the
+ old shared library name after the package providing the shared library
+ is upgraded. To avoid the issue, it's recommended to recompile every
+ package linked to a shared library of which the name has been changed
+ during an upgrade as soon as possible, in their dependency order.
+
+
If a package containing a shared library is updated,
and the name of the library doesn't change, but the version number of the
library file decreases (for example,