diff --git a/ChangeLog b/ChangeLog
index 6af8b2d9..526eb0be 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+Changes in 1.4.4-stable:
+ o Correct the documentation on buffer printf functions.
+
 Changes in 1.4.3-stable:
  o include Content-Length in reply for HTTP/1.0 requests with keep-alive
  o Patch from Tani Hosokawa: make some functions in http.c threadsafe.
diff --git a/event.h b/event.h
index 451ca895..98b153f1 100644
--- a/event.h
+++ b/event.h
@@ -995,7 +995,7 @@ int evbuffer_add_buffer(struct evbuffer *, struct evbuffer *);
   @param buf the evbuffer that will be appended to
   @param fmt a format string
   @param ... arguments that will be passed to printf(3)
-  @return 0 if successful, or -1 if an error occurred
+  @return The number of bytes added if successful, or -1 if an error occurred.
  */
 int evbuffer_add_printf(struct evbuffer *, const char *fmt, ...)
 #ifdef __GNUC__
@@ -1010,7 +1010,7 @@ int evbuffer_add_printf(struct evbuffer *, const char *fmt, ...)
   @param buf the evbuffer that will be appended to
   @param fmt a format string
   @param ap a varargs va_list argument array that will be passed to vprintf(3)
-  @return 0 if successful, or -1 if an error occurred
+  @return The number of bytes added if successful, or -1 if an error occurred.
  */
 int evbuffer_add_vprintf(struct evbuffer *, const char *fmt, va_list ap);