diff --git a/ANNOUNCE b/ANNOUNCE
index d346e41cd..710a014e0 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,4 +1,4 @@
-Libpng 1.6.23beta02 - May 31, 2016
+Libpng 1.6.23beta02 - June 1, 2016
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -34,11 +34,12 @@ Version 1.6.23beta01 [May 29, 2016]
     positions.  Fixed the sequential reader to handle these more robustly
     (John Bowler).
 
-Version 1.6.23beta02 [May 31, 2016]
+Version 1.6.23beta02 [June 1, 2016]
   Corrected progressive read input buffer in pngvalid.c. The previous version
     the code invariably passed just one byte at a time to libpng.  The intent
     was to pass a random number of bytes in the range 0..511.
   Moved sse2 prototype from pngpriv.h to contrib/intel/intel_sse.patch.
+  Added missing ")" in pngerror.c (Matt Sarrett).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index 7e7d76f39..6c3e75ef7 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5582,11 +5582,12 @@ Version 1.6.23beta01 [May 29, 2016]
     positions.  Fixed the sequential reader to handle these more robustly
     (John Bowler).
 
-Version 1.6.23beta02 [May 31, 2016]
+Version 1.6.23beta02 [June 1, 2016]
   Corrected progressive read input buffer in pngvalid.c. The previous version
     the code invariably passed just one byte at a time to libpng.  The intent
     was to pass a random number of bytes in the range 0..511.
   Moved sse2 prototype from pngpriv.h to contrib/intel/intel_sse.patch.
+  Added missing ")" in pngerror.c (Matt Sarrett).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/pngerror.c b/pngerror.c
index 6904bea1a..3fc8092fa 100644
--- a/pngerror.c
+++ b/pngerror.c
@@ -44,7 +44,7 @@ png_error,(png_const_structrp png_ptr, png_const_charp error_message),
    if (png_ptr != NULL)
    {
       if ((png_ptr->flags &
-         (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) != 0
+         (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) != 0)
       {
          if (*error_message == PNG_LITERAL_SHARP)
          {