diff --git a/build/win32/vs10/README.txt b/build/win32/vs10/README.txt
index 19eae5031..2e4e58732 100644
--- a/build/win32/vs10/README.txt
+++ b/build/win32/vs10/README.txt
@@ -12,7 +12,11 @@ proxy-libintl-dev and zlib-dev zipfiles from
 http://ftp.gnome.org/pub/GNOME/binaries/win32/dependencies/ for 32-bit
 builds, and correspondingly
 http://ftp.gnome.org/pub/GNOME/binaries/win64/dependencies/ for 64-bit
-builds. 
+builds.
+
+One may wish to build his/her own ZLib-It is recommended that ZLib is
+built using the win32/Makefile.msc makefile with VS10 with the ASM routines
+to avoid linking problems-see win32/Makefile.msc in ZLib for more details.
 
 One may optionally use his/her own PCRE installation by selecting the
 (BuildType)_ExtPCRE configuration, but please note the PCRE must be built
diff --git a/build/win32/vs9/README.txt b/build/win32/vs9/README.txt
index 9a966165a..21d442ec3 100644
--- a/build/win32/vs9/README.txt
+++ b/build/win32/vs9/README.txt
@@ -14,6 +14,10 @@ builds, and correspondingly
 http://ftp.gnome.org/pub/GNOME/binaries/win64/dependencies/ for 64-bit
 builds. 
 
+One may wish to build his/her own ZLib-It is recommended that ZLib is
+built using the win32/Makefile.msc makefile with VS9 with the ASM routines
+to avoid linking problems-see win32/Makefile.msc in ZLib for more details.
+
 One may optionally use his/her own PCRE installation by selecting the
 (BuildType)_ExtPCRE configuration, but please note the PCRE must be built
 with VS9 with unicode support using the /MD (release) or /MDd (debug)