diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31ae13b..6c44f18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 - Add automatic navbar color detection (#702)
 - Change navbar and footer background colour to be slightly darker, for better contrast with white page background
 - Change the behaviour of `site-css` to include site-wide CSS file **before** page-specific files 
+- Rename internal css/js files from "main" to "beautifuljekyll" to make it easier for users to troubleshoot
 
 ## v4.1.0 (2020-08-08)
 
diff --git a/_layouts/base.html b/_layouts/base.html
index 121f526..bf7b5b4 100644
--- a/_layouts/base.html
+++ b/_layouts/base.html
@@ -1,7 +1,7 @@
 ---
 common-css:
   - "/assets/css/bootstrap-social.css"
-  - "/assets/css/main.css"
+  - "/assets/css/beautifuljekyll.css"
 common-ext-css:
   - href: "https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
     sri: "sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh"
@@ -16,7 +16,7 @@ common-ext-js:
   - href: "https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"
     sri: "sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6"
 common-js:
-  - "/assets/js/main.js"
+  - "/assets/js/beautifuljekyll.js"
 ---
 
 <!DOCTYPE html>
diff --git a/_layouts/minimal.html b/_layouts/minimal.html
index 2c50422..8568e42 100644
--- a/_layouts/minimal.html
+++ b/_layouts/minimal.html
@@ -1,6 +1,6 @@
 ---
 common-css:
-  - "/assets/css/main-minimal.css"
+  - "/assets/css/beautifuljekyll-minimal.css"
 common-ext-css:
   - href: "https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
     sri: "sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh"
diff --git a/assets/css/main-minimal.css b/assets/css/beautifuljekyll-minimal.css
similarity index 100%
rename from assets/css/main-minimal.css
rename to assets/css/beautifuljekyll-minimal.css
diff --git a/assets/css/main.css b/assets/css/beautifuljekyll.css
similarity index 100%
rename from assets/css/main.css
rename to assets/css/beautifuljekyll.css
diff --git a/assets/js/main.js b/assets/js/beautifuljekyll.js
similarity index 100%
rename from assets/js/main.js
rename to assets/js/beautifuljekyll.js