diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/100-default-params.md b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/100-default-params.md
index 2800b8dde..a9521531f 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/100-default-params.md
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@@ -2,4 +2,5 @@
Default function parameters allow named parameters to be initialized with default values if no value or `undefined` is passed.
+Free Content
Default Parameters - MDN Docs
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/101-rest-params.md b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/101-rest-params.md
index b054090ee..3a902325c 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/101-rest-params.md
+++ b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/101-rest-params.md
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The rest parameter syntax allows a function to accept an indefinite number of arguments as an array, providing a way to represent [variadic functions](https://en.wikipedia.org/wiki/Variadic_function) in JavaScript.
-Rest Parameters - MDN Docs
+Free Content
+Rest Parameters - MDN Docs
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/readme.md b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/readme.md
index d0dde10ac..e93c86b0d 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/readme.md
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The parameter is the name given to the variable declared inside the definition of a function. There are two special kinds of syntax: default and rest parameters.
+Free Content
Function Parameters
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/102-arrow-functions.md b/content/roadmaps/106-javascript/content/109-javascript-functions/102-arrow-functions.md
index 5364aade3..90ba93eb0 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/102-arrow-functions.md
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Arrow Function is a new way of creating functions with the '=>' operator with a shorter syntax.
-Arrow function expressions
+Free Content
+MDN - Arrow Function Expressions
JavaScript Arrow Function
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/103-iifes.md b/content/roadmaps/106-javascript/content/109-javascript-functions/103-iifes.md
index 56c43f885..9578985fe 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/103-iifes.md
+++ b/content/roadmaps/106-javascript/content/109-javascript-functions/103-iifes.md
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Immediately-Invoked Function Expression is a function that is executed immediately after it is created.
-IIFE — MDN Docs
+Free Content
+IIFE — MDN Docs
+JavaScript in Plain English - IIFE
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/readme.md b/content/roadmaps/106-javascript/content/109-javascript-functions/readme.md
index 9c16546dd..eec09fe2f 100644
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Functions are blocks of code that execute whenever they are invoked. They are useful for placing code snippets executed in different places in the code.
+Free Content
Functions - MDN Docs
+JavaScript Functions - Programming with Mosh