diff --git a/man/systemd.resource-control.xml b/man/systemd.resource-control.xml
index 98a0741359..a832587fa8 100644
--- a/man/systemd.resource-control.xml
+++ b/man/systemd.resource-control.xml
@@ -269,7 +269,9 @@
Takes a memory size in bytes. If the value is suffixed with K, M, G or T, the specified memory size is
parsed as Kilobytes, Megabytes, Gigabytes, or Terabytes (with the base 1024), respectively. Alternatively, a
percentage value may be specified, which is taken relative to the installed physical memory on the
- system. This controls the memory.min control group attribute. For details about this
+ system. If assigned the special value infinity, all available memory is protected, which may be
+ useful in order to always inherit all of the protection afforded by ancestors.
+ This controls the memory.min control group attribute. For details about this
control group attribute, see cgroup-v2.txt.
@@ -293,7 +295,9 @@
Takes a memory size in bytes. If the value is suffixed with K, M, G or T, the specified memory size is
parsed as Kilobytes, Megabytes, Gigabytes, or Terabytes (with the base 1024), respectively. Alternatively, a
percentage value may be specified, which is taken relative to the installed physical memory on the
- system. This controls the memory.low control group attribute. For details about this
+ system. If assigned the special value infinity, all available memory is protected, which may be
+ useful in order to always inherit all of the protection afforded by ancestors.
+ This controls the memory.low control group attribute. For details about this
control group attribute, see cgroup-v2.txt.