diff --git a/ALB/_ALB.md b/ALB/_ALB.md
new file mode 100644
index 0000000..b402302
--- /dev/null
+++ b/ALB/_ALB.md
@@ -0,0 +1,3 @@
+# Application Load Balancer
+Placeholder.
+
diff --git a/Lambda/_Lambda.md b/Lambda/_Lambda.md
index ea8ea1f..1a73ff2 100644
--- a/Lambda/_Lambda.md
+++ b/Lambda/_Lambda.md
@@ -1 +1,3 @@
 # Lambda
+Placeholder.
+
diff --git a/NLB/_NLB.md b/NLB/_NLB.md
new file mode 100644
index 0000000..5bc4496
--- /dev/null
+++ b/NLB/_NLB.md
@@ -0,0 +1,3 @@
+# Network Load Balancer
+Placeholder.
+