diff --git a/ANNOUNCE b/ANNOUNCE
index 476cd6877..9eeb97b11 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -149,12 +149,6 @@ Version 1.7.0alpha11 [February 8, 2013]
     which may be a library function (not an intrinsic). Removed unused #if 0
     code.
 
-  ===========================================================================
-                       NOTICE November 17, 2012:
-     The location of the git repository at SourceForge has changed.
-               Visit http://libpng.sf.net/ for details.
-  ===========================================================================
-
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/CHANGES b/CHANGES
index a0de31370..4f327da96 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4435,12 +4435,6 @@ Version 1.7.0alpha11 [February 8, 2013]
     which may be a library function (not an intrinsic). Removed unused #if 0
     code.
 
-  ===========================================================================
-                       NOTICE November 17, 2012:
-     The location of the git repository at SourceForge has changed.
-               Visit http://libpng.sf.net/ for details.
-  ===========================================================================
-
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/libpng-manual.txt b/libpng-manual.txt
index 2c0467143..ed84d3617 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -4592,12 +4592,16 @@ any invalid pixels are decoded as opaque black by the decoder and written
 as-is by the encoder.
 
 Retrieving the maximum palette index found was added at libpng-1.5.15.
-This statement must appear after png_read_png() or png_read_image().
+This statement must appear after png_read_png() or png_read_image() while
+reading, and after png_write_png() or png_write_image() while writing.
 
    int max_palette = png_get_palette_max(png_ptr, info_ptr);
 
-This will return the maximum palette index found, or "-1" if the palette
-was not checked, or "0" if no palette was found.
+This will return the maximum palette index found in the image, or "-1" if
+the palette was not checked, or "0" if no palette was found.  Note that this
+does not account for any palette index used by ancillary chunks such as the
+bKGD chunk; you must check those separately to determine the maximum
+palette index actually used.
 
 A. Changes that affect users of libpng
 
diff --git a/libpng.3 b/libpng.3
index 3235a48e5..53a49e33e 100644
--- a/libpng.3
+++ b/libpng.3
@@ -5087,12 +5087,16 @@ any invalid pixels are decoded as opaque black by the decoder and written
 as-is by the encoder.
 
 Retrieving the maximum palette index found was added at libpng-1.5.15.
-This statement must appear after png_read_png() or png_read_image().
+This statement must appear after png_read_png() or png_read_image() while
+reading, and after png_write_png() or png_write_image() while writing.
 
    int max_palette = png_get_palette_max(png_ptr, info_ptr);
 
-This will return the maximum palette index found, or "-1" if the palette
-was not checked, or "0" if no palette was found.
+This will return the maximum palette index found in the image, or "-1" if
+the palette was not checked, or "0" if no palette was found.  Note that this
+does not account for any palette index used by ancillary chunks such as the
+bKGD chunk; you must check those separately to determine the maximum
+palette index actually used.
 
 A. Changes that affect users of libpng