diff --git a/README.md b/README.md
index 9eaf2a4..63cadc5 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,9 @@ simplemde.value("This text will appear in the editor");
   - **underscoresBreakWords**: If set to `true`, let underscores be a delimiter for separating words. Defaults to `false`.
 - **placeholder**: If set, displays a custom placeholder message.
 - **previewRender**: Custom function for parsing the plaintext Markdown and returning HTML. Used when user previews.
+- **promptTexts**: Customize title of the prompt box when the `promptURLs` option is set to `true` and the `image` or `url` button is clicked.
+  - image
+  - link
 - **promptURLs**: If set to `true`, a JS alert window appears asking for the link or image URL. Defaults to `false`.
 - **renderingConfig**: Adjust settings for parsing the Markdown during previewing (not editing).
   - **codeSyntaxHighlighting**: If set to `true`, will highlight using [highlight.js](https://github.com/isagalaev/highlight.js). Defaults to `false`. To use this feature you must include highlight.js on your page or pass in using the `hljs` option. For example, include the script and the CSS files like:<br>`<script src="https://cdn.jsdelivr.net/highlight.js/latest/highlight.min.js"></script>`<br>`<link rel="stylesheet" href="https://cdn.jsdelivr.net/highlight.js/latest/styles/github.min.css">`
@@ -154,6 +157,10 @@ var simplemde = new SimpleMDE({
 		return "Loading...";
 	},
 	promptURLs: true,
+	promptTexts: {
+		link: "URL for the link:",
+		image: "URL of the image:"
+	},
 	renderingConfig: {
 		singleLineBreaks: false,
 		codeSyntaxHighlighting: true,