#17275: Fix class name in init errors in C bufferedio classes.

This fixes an apparent copy-and-paste error.

Patch by Manuel Jacob.
diff --git a/Misc/ACKS b/Misc/ACKS
index 39195ef..8fbf9d0 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -505,6 +505,7 @@
 Adam Jackson
 Ben Jackson
 Paul Jackson
+Manuel Jacob
 David Jacobs
 Kevin Jacobs
 Kjetil Jacobsen
diff --git a/Misc/NEWS b/Misc/NEWS
index c4a89f0..eb30662 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
 Core and Builtins
 -----------------
 
+- Issue #17275: Corrected class name in init error messages of the C version of
+  BufferedWriter and BufferedRandom.
+
 - Issue #7963: Fixed misleading error message that issued when object is
   called without arguments.