diff --git a/doc/man/man1/srun.1 b/doc/man/man1/srun.1
index 16732e7a5c..1bcf9f6aab 100644
--- a/doc/man/man1/srun.1
+++ b/doc/man/man1/srun.1
@@ -1520,6 +1520,9 @@ Also see \fBSLURM_EXIT_ERROR\fR.
 \fBSLURM_GEOMETRY\fR
 Same as \fB\-g, \-\-geometry\fR
 .TP
+\fBSLURM_GRES\fR
+Same as \fB\-\-gres\fR
+.TP
 \fBSLURM_JOB_NAME\fR
 Same as \fB\-J, \-\-job\-name\fR except within an existing
 allocation, in which case it is ignored to avoid using the batch job's name