diff --git a/Compiling-from-source.md b/Compiling-from-source.md
index 919ce2a..bf349de 100644
--- a/Compiling-from-source.md
+++ b/Compiling-from-source.md
@@ -109,7 +109,7 @@ Refer to Linux compile instructions and install required packages.
 
 Additionally, install mingw-w64.
 
-`sudo apt-get install mingw-w64`
+`sudo apt-get install mingw-w64 libz-mingw-w64-dev`
 
 
 ### Create a local library
@@ -150,7 +150,8 @@ openssl:
 
 `make`
 
-Make may fail with an ld error, just ensure libcrypto-x_y-x64.dll & libssl-x_y-x64.dll were created.
+Make may fail with an ld error, just ensure libcrypto-x_y-x64.dll is created, where x & y are the major
+and minor version.
 
 curl:
 
@@ -187,6 +188,7 @@ This can be done outside of cpuminer-opt and only needs to be done once.
 If the release directory is in cpuminer-opt directory it needs to be
 recreated every a source package is decompressed.
 
+"x.y" is the version of GCC.
 
 `$ mkdir release`
 
@@ -194,9 +196,9 @@ recreated every a source package is decompressed.
 
 `$ cp /usr/x86_64-w64-mingw32/lib/libwinpthread-1.dll release/`
 
-`$ cp /usr/lib/gcc/x86_64-w64-mingw32/7.3-win32/libstdc++-6.dll release/`
+`$ cp /usr/lib/gcc/x86_64-w64-mingw32/x.y-win32/libstdc++-6.dll release/`
 
-`$ cp /usr/lib/gcc/x86_64-w64-mingw32/7.3-win32/libgcc_s_seh-1.dll release/`
+`$ cp /usr/lib/gcc/x86_64-w64-mingw32/x.y-win32/libgcc_s_seh-1.dll release/`
 
 `$ cp $LOCAL_LIB/openssl/libcrypto-1_1-x64.dll release/`