diff --git a/doc/man/man1/salloc.1 b/doc/man/man1/salloc.1
index 93a0e9652642e3a33b12230b8627e7f36e11c91b..c941ae0a8d3dbacef9e1d32fdb155c23d711e3fe 100644
--- a/doc/man/man1/salloc.1
+++ b/doc/man/man1/salloc.1
@@ -568,6 +568,8 @@ This parameter would generally be used if whole nodes
 are allocated to jobs (\fBSelectType=select/linear\fR).
 Also see \fB\-\-mem\-per\-cpu\fR.
 \fB\-\-mem\fR and \fB\-\-mem\-per\-cpu\fR are mutually exclusive.
+NOTE: A memory size specification is treated as a special case and grants
+the job access to all of the memory on each node.
 NOTE: Enforcement of memory limits currently relies upon the task/cgroup plugin
 or enabling of accounting, which samples memory use on a periodic basis (data
 need not be stored, just collected). In both cases memory use is based upon
diff --git a/doc/man/man1/sbatch.1 b/doc/man/man1/sbatch.1
index 28b038219622ff2ab83ec85ef8d2ac59b8a86c16..1954f6a66d2c0e799dcc548a26fff1a816f7d6ed 100644
--- a/doc/man/man1/sbatch.1
+++ b/doc/man/man1/sbatch.1
@@ -660,6 +660,8 @@ This parameter would generally be used if whole nodes
 are allocated to jobs (\fBSelectType=select/linear\fR).
 Also see \fB\-\-mem\-per\-cpu\fR.
 \fB\-\-mem\fR and \fB\-\-mem\-per\-cpu\fR are mutually exclusive.
+NOTE: A memory size specification is treated as a special case and grants
+the job access to all of the memory on each node.
 NOTE: Enforcement of memory limits currently relies upon the task/cgroup plugin
 or enabling of accounting, which samples memory use on a periodic basis (data
 need not be stored, just collected). In both cases memory use is based upon
diff --git a/doc/man/man1/srun.1 b/doc/man/man1/srun.1
index 27d4c09db9c1f1c26dbe1dec7a76ee8ffcde3e01..21e77d982e8014bdb989f9ef8e96baa3f860cdd6 100644
--- a/doc/man/man1/srun.1
+++ b/doc/man/man1/srun.1
@@ -865,6 +865,8 @@ to the amount of memory allocated to the job, but not remove any of the job's
 memory allocation from being available to other job steps.
 Also see \fB\-\-mem\-per\-cpu\fR.
 \fB\-\-mem\fR and \fB\-\-mem\-per\-cpu\fR are mutually exclusive.
+NOTE: A memory size specification is treated as a special case and grants
+the job access to all of the memory on each node.
 NOTE: Enforcement of memory limits currently relies upon the task/cgroup plugin
 or enabling of accounting, which samples memory use on a periodic basis (data
 need not be stored, just collected). In both cases memory use is based upon