diff --git a/README.md b/README.md
index bc88310..7872328 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ const n2m = new notion2md({ notionClient: notion });
 
 (async () => {
   const mdblocks = await n2m.pageToMarkdown("target_page_id");
-  const mdString = n2m.toString(mdblocks);
+  const mdString = n2m.toMarkdownString(mdblocks);
 
   //writing to file
   fs.writeFile("test.md", mdString, (err) => {
@@ -181,7 +181,7 @@ console.log(result);
 
 ## API
 
-### `toString(markdownObjects)`
+### `toMarkdownString(markdownObjects)`
 
 - takes output of `pageToMarkdown` or `blocksToMarkdown` as argument
 - convert to markdown string.
diff --git a/notion-to-md.js b/notion-to-md.js
index a43145a..2526dc3 100644
--- a/notion-to-md.js
+++ b/notion-to-md.js
@@ -10,7 +10,7 @@ class notion2md {
     this.notionClient = options.notionClient;
   }
 
-  toString(mdBlocks = [], nestingLevel = 0) {
+  toMarkdownString(mdBlocks = [], nestingLevel = 0) {
     let mdString = "";
     mdBlocks.forEach((mdBlocks) => {
       if (mdBlocks.parent) {
@@ -19,7 +19,7 @@ ${md.addTabSpace(mdBlocks.parent, nestingLevel)}
 `;
       }
       if (mdBlocks.children && mdBlocks.children.length > 0) {
-        mdString += this.toString(mdBlocks.children, nestingLevel + 1);
+        mdString += this.toMarkdownString(mdBlocks.children, nestingLevel + 1);
       }
     });
     return mdString;
diff --git a/package.json b/package.json
index 71eeaca..33d15fb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "notion-to-md",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "main": "notion-to-md.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"