diff --git a/README.md b/README.md
index b137cd7..dd95909 100644
--- a/README.md
+++ b/README.md
@@ -183,6 +183,8 @@ This method will check if speech recognition is listening.
 
 **Returns:** <code>Promise&lt;{ listening: boolean; }&gt;</code>
 
+**Since:** 5.1.0
+
 --------------------
 
 
@@ -266,7 +268,7 @@ Called when listening state changed.
 
 **Returns:** <code>Promise&lt;<a href="#pluginlistenerhandle">PluginListenerHandle</a>&gt; & <a href="#pluginlistenerhandle">PluginListenerHandle</a></code>
 
-**Since:** 6.0.0
+**Since:** 5.1.0
 
 --------------------
 
diff --git a/src/definitions.ts b/src/definitions.ts
index 6c5f609..bde45ba 100644
--- a/src/definitions.ts
+++ b/src/definitions.ts
@@ -58,6 +58,8 @@ export interface SpeechRecognitionPlugin {
    * This method will check if speech recognition is listening.
    * @param none
    * @returns boolean true/false if speech recognition is currently listening
+   *
+   * @since 5.1.0
    */
   isListening(): Promise<{ listening: boolean }>;
   /**
@@ -97,7 +99,7 @@ export interface SpeechRecognitionPlugin {
   /**
    * Called when listening state changed.
    *
-   * @since 6.0.0
+   * @since 5.1.0
    */
   addListener(
     eventName: 'listeningState',