diff --git a/katex.js b/katex.js
index 3eda4e59..f513b3ab 100644
--- a/katex.js
+++ b/katex.js
@@ -28,7 +28,7 @@ let render = function(
     options: SettingsOptions,
 ) {
     utils.clearNode(baseNode);
-    const node = generateBuildTree(expression, options).toNode();
+    const node = renderToDomTree(expression, options).toNode();
     baseNode.appendChild(node);
 };
 
@@ -53,7 +53,7 @@ const renderToString = function(
     expression: string,
     options: SettingsOptions,
 ): string {
-    const markup = generateBuildTree(expression, options).toMarkup();
+    const markup = renderToDomTree(expression, options).toMarkup();
     return markup;
 };
 
@@ -73,7 +73,7 @@ const generateParseTree = function(
  * Generates and returns the katex build tree. This is used for advanced
  * use cases (like rendering to custom output).
  */
-const generateBuildTree = function(
+const renderToDomTree = function(
     expression: string,
     options: SettingsOptions,
 ) {
@@ -86,7 +86,7 @@ const generateBuildTree = function(
  * Generates and returns the katex build tree, with just HTML (no MathML).
  * This is used for advanced use cases (like rendering to custom output).
  */
-const generateBuildHTMLTree = function(
+const renderToHTMLTree = function(
     expression: string,
     options: SettingsOptions,
 ) {
@@ -96,25 +96,45 @@ const generateBuildHTMLTree = function(
 };
 
 module.exports = {
+    /**
+     * Renders the given LaTeX into an HTML+MathML combination, and adds
+     * it as a child to the specified DOM node.
+     */
     render,
+    /**
+     * Renders the given LaTeX into an HTML+MathML combination string,
+     * for sending to the client.
+     */
     renderToString,
+    /**
+     * KaTeX error, usually during parsing.
+     */
     ParseError,
     /**
+     * Parses the given LaTeX into KaTeX's internal parse tree structure,
+     * without rendering to HTML or MathML.
+     *
      * NOTE: This method is not currently recommended for public use.
      * The internal tree representation is unstable and is very likely
      * to change. Use at your own risk.
      */
     __parse: generateParseTree,
     /**
+     * Renders the given LaTeX into an HTML+MathML internal DOM tree
+     * representation, without flattening that representation to a string.
+     *
      * NOTE: This method is not currently recommended for public use.
      * The internal tree representation is unstable and is very likely
      * to change. Use at your own risk.
      */
-    __getBuildTree: generateBuildTree,
+    __renderToDomTree: renderToDomTree,
     /**
+     * Renders the given LaTeX into an HTML internal DOM tree representation,
+     * without MathML and without flattening that representation to a string.
+     *
      * NOTE: This method is not currently recommended for public use.
      * The internal tree representation is unstable and is very likely
      * to change. Use at your own risk.
      */
-    __getBuildHTMLTree: generateBuildHTMLTree,
+    __renderToHTMLTree: renderToHTMLTree,
 };