diff --git a/lam/docs/manual-sources/howto.xml b/lam/docs/manual-sources/howto.xml
index 8a349be0..edbbbed0 100644
--- a/lam/docs/manual-sources/howto.xml
+++ b/lam/docs/manual-sources/howto.xml
@@ -8864,6 +8864,14 @@ objectclass: top
entries returned by your LDAP server. Use with caution because it can
cause problems (e.g. with automatic UID generation) when LAM is not
able to read all entries.
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@@ -8886,6 +8894,14 @@ objectclass: top
"apc.shm_size=128M"). You can check the memory usage with the file
apc.php that is shipped with APC.
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@@ -8895,6 +8911,14 @@ objectclass: top
LAM encrypts sensitive data in your session files. You can disable it to reduce CPU
load.
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diff --git a/lam/docs/manual-sources/images/apc.png b/lam/docs/manual-sources/images/apc.png
new file mode 100644
index 00000000..cebf448b
Binary files /dev/null and b/lam/docs/manual-sources/images/apc.png differ