diff --git a/docs/deployment/kernel-tuning/sysctl.sh b/docs/deployment/kernel-tuning/sysctl.sh
index eb2914969..789b333c4 100755
--- a/docs/deployment/kernel-tuning/sysctl.sh
+++ b/docs/deployment/kernel-tuning/sysctl.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-cat > sysctl.conf <EOF
+cat > sysctl.conf <<EOF
 # maximum number of open files/file descriptors
 fs.file-max = 4194303