diff --git a/preview/README.md b/preview/README.md
index fe7eb6d..cff9c76 100644
--- a/preview/README.md
+++ b/preview/README.md
@@ -56,4 +56,5 @@ These are all the parameters this action supports:
 * `message-template` (_optional_): Text message to be injected by the action in the Pull Request description. It supports the following placeholders to be replaced:
   * `{docs-pr-index-url}`: URL to the root of the documentation for the Pull Request preview.
 * `platform` (_optional_): Read the Docs Community (`community`) or Read the Docs for Business (`business`). (default: `community`)
-* `single-version` (_optional_): Set this to `'true'` if your project is single version, so we can link to the correct URL. (default: `'false'`)
+* `single-version` (_optional_): Set this to `'true'` if your project is single version, so we can link to the correct URL. (`/`) (default: `'false'`)
+* `single-language` (_optional_): Set this to `'true'` if your project is multi-version but single language, so we can link to the correct URL. (`/$version/`) (default: `'false'`)
diff --git a/preview/scripts/edit-description.js b/preview/scripts/edit-description.js
index b4b739e..a7788fc 100644
--- a/preview/scripts/edit-description.js
+++ b/preview/scripts/edit-description.js
@@ -4,6 +4,7 @@ module.exports = async ({inputs, github, context}) => {
     const RTD_PROJECT_LANGUAGE = inputs["project-language"];
     const RTD_PLATFORM = inputs["platform"];
     const RTD_SINGLE_VERSION = inputs["single-version"];
+    const RTD_SINGLE_LANGUAGE = inputs["single-language"];
 
     let RTD_DOMAIN = "";
     let RTD_URL = "";
@@ -19,6 +20,8 @@ module.exports = async ({inputs, github, context}) => {
 
     if (RTD_SINGLE_VERSION === "true") {
         RTD_URL = RTD_PROJECT_DOMAIN;
+    } else if (RTD_SINGLE_LANGUAGE) {
+        RTD_URL = RTD_PROJECT_DOMAIN + `${RTD_SINGLE_LANGUAGE}/`;
     } else {
         RTD_URL = RTD_PROJECT_DOMAIN + `${RTD_PROJECT_LANGUAGE}/${PR_NUMBER}/`;
     }