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-rw-r--r--libpng/contrib/gregbook/README4
1 files changed, 2 insertions, 2 deletions
diff --git a/libpng/contrib/gregbook/README b/libpng/contrib/gregbook/README
index fd30f0581..90e28f7ce 100644
--- a/libpng/contrib/gregbook/README
+++ b/libpng/contrib/gregbook/README
@@ -55,7 +55,7 @@ mation and links to the latest version of the source code, and Chapters
13-15 of the book for detailed discussion of the three programs.
Greg Roelofs
-http://pobox.com/~newt/greg_contact.html
+https://pobox.com/~newt/greg_contact.html
16 March 2008
@@ -63,7 +63,7 @@ BUILD INSTRUCTIONS
- Prerequisites (in order of compilation):
- - zlib http://zlib.net/
+ - zlib https://zlib.net/
- libpng http://www.libpng.org/pub/png/libpng.html
- pngbook http://www.libpng.org/pub/png/book/sources.html