diff --git a/.gitignore b/.gitignore
index fa8d941..562e477 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,14 @@
+# User environment variables
 .env
+# GCE credentials file
 *.json
+# Docker Compose files
 *.yml
 *.yaml
+# IP addresses file
 hosts
+# Private and public keys
 secdep
 secdep.pub
+# Folder with unneeded files
 UnneededFiles/