diff --git a/ChangeLog b/ChangeLog
index 4a67166..b0758f8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,7 @@
 Latest v0.4
 
 * (should) do not freeze Firefox
-* auto hint fonts, good for Chrome
+* [Experimental] --auto-hint, good for Chrome
 * many fixes for IE
 (Why no fix for Opera? Because everything has been fine)
 * [Experimental] adjust widths of fonts according to PDF
diff --git a/README.md b/README.md
index 77a8403..dad7c2f 100644
--- a/README.md
+++ b/README.md
@@ -42,11 +42,11 @@ This program is designed for scientific papers with complicate formulas and figu
 
 ### Ubuntu 
 
-There is a Ubuntu PPA set up at [here](https://launchpad.net/~coolwanglu/+archive/pdf2htmlex).
+A not so up-to-date [Ubuntu PPA](https://launchpad.net/~coolwanglu/+archive/pdf2htmlex).
 
 ### ArchLinux
 
-Special thanks to Arthur Titeica for the [AUR Package](https://aur.archlinux.org/packages.php?ID=62426).
+[AUR Package](https://aur.archlinux.org/packages.php?ID=62426), special thanks to Arthur Titeica
 
 ### Mac
 
@@ -61,6 +61,7 @@ I have tested with CYGWIN without any problem, and I believe it also works on Mi
 #### Dependency
 
 * CMake, pkg-config
+* GNU Getopt
 * compilers support C++11, for example
  * GCC >= 4.4.6
  * I heard about successful build with Clang 
@@ -68,6 +69,7 @@ I have tested with CYGWIN without any problem, and I believe it also works on Mi
  * Install libpng (and headers) BEFORE you compile libpoppler if you want background images generated
  * Install poppler-data if your want CJK support
 * fontforge (with header files)
+ * git version is recommended to avoid annoying compilation issues
 
 #### Compiling
 
@@ -95,6 +97,11 @@ GPLv2 & GPLv3 Dual licensed
 
 ## Credits
 
+pdf2htmlEX is made possible thanks to the following projects:
+
+* [poppler](http://poppler.freedesktop.org/)
+* [Fontforge](http://fontforge.org/)
+
 pdf2htmlEX is inspired by the following projects:
 
 * pdftops & pdftohtml from poppler 
@@ -109,7 +116,7 @@ Suggestions and questions are welcome.
 
 Please read [FAQ](https://github.com/coolwanglu/pdf2htmlEX/wiki/FAQ) before sending an email to me. Or your message might be ignored.
 
-I'm much more user-friendly than pdf2htmlEX.
+I should be much more user-friendly than pdf2htmlEX.
 
 * Lu Wang <coolwanglu@gmail.com>