diff --git a/Doc/library/wave.rst b/Doc/library/wave.rst
index c85e2d7a150a3e..bdff2336d65f0a 100644
--- a/Doc/library/wave.rst
+++ b/Doc/library/wave.rst
@@ -74,11 +74,15 @@ The :mod:`!wave` module defines the following function and exception:
 
    Format code for IEEE floating-point audio.
 
+   .. versionadded:: 3.15
+
 
 .. data:: WAVE_FORMAT_EXTENSIBLE
 
    Format code for WAVE extensible headers.
 
+   .. versionadded:: 3.12
+
 
 .. _wave-read-objects:
 
@@ -281,6 +285,8 @@ Wave_write Objects
       When setting :data:`WAVE_FORMAT_IEEE_FLOAT`, the sample width must be
       4 or 8 bytes.
 
+      .. versionadded:: 3.15
+
 
    .. method:: getformat()
 
@@ -300,6 +306,8 @@ Wave_write Objects
 
       For ``format=WAVE_FORMAT_IEEE_FLOAT``, *sampwidth* must be 4 or 8.
 
+      .. versionchanged:: 3.15
+         Added optional item *format* to the *tuple*.
 
    .. method:: getparams()