diff --git a/haskell/haskell-mmap/haskell-mmap.SlackBuild b/haskell/haskell-mmap/haskell-mmap.SlackBuild
index f29720d2e5..a6fcb090d7 100644
--- a/haskell/haskell-mmap/haskell-mmap.SlackBuild
+++ b/haskell/haskell-mmap/haskell-mmap.SlackBuild
@@ -1,8 +1,9 @@
 #!/bin/sh
 
-# Slackware build script for mmap
+# Slackware build script for haskell-mmap
 
 # Copyright 2014 Mikko Värri, Finland
+# Updated 2018 David Spencer, Baildon, West Yorkshire, U.K.
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -33,7 +34,7 @@ GHC_VERSION=$(ghc --numeric-version)
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -44,8 +45,8 @@ TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
-if [ "$ARCH" = "i486" ]; then
-  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
@@ -68,10 +69,10 @@ tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
 cd $SRCNAM-$VERSION
 chown -R root:root .
 find -L . \
- \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
- -exec chmod 755 {} \; -o \
- \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
- -exec chmod 644 {} \;
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
diff --git a/haskell/haskell-mmap/haskell-mmap.info b/haskell/haskell-mmap/haskell-mmap.info
index b6eaaae7c9..6cab3ca36c 100644
--- a/haskell/haskell-mmap/haskell-mmap.info
+++ b/haskell/haskell-mmap/haskell-mmap.info
@@ -1,10 +1,10 @@
 PRGNAM="haskell-mmap"
 VERSION="0.5.9"
-HOMEPAGE="http://hackage.haskell.org/package/mmap"
-DOWNLOAD="http://hackage.haskell.org/packages/archive/mmap/0.5.9/mmap-0.5.9.tar.gz"
+HOMEPAGE="https://hackage.haskell.org/package/mmap"
+DOWNLOAD="https://hackage.haskell.org/packages/archive/mmap/0.5.9/mmap-0.5.9.tar.gz"
 MD5SUM="625301d54b9789e890174e38028c1bcb"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="ghc"
-MAINTAINER="Mikko Värri"
-EMAIL="vmj@linuxbox.fi"
+MAINTAINER="David Spencer"
+EMAIL="baildon.research@googlemail.com"
diff --git a/haskell/haskell-mmap/slack-desc b/haskell/haskell-mmap/slack-desc
index 0d074c74af..989722567f 100644
--- a/haskell/haskell-mmap/slack-desc
+++ b/haskell/haskell-mmap/slack-desc
@@ -14,6 +14,6 @@ haskell-mmap: or lazy ByteStrings, ForeignPtrs or plain Ptrs, using the virtual
 haskell-mmap: memory subsystem to do on-demand loading. Modifications are also
 haskell-mmap: supported.
 haskell-mmap:
-haskell-mmap: http://hackage.haskell.org/package/mmap
+haskell-mmap: https://hackage.haskell.org/package/mmap
 haskell-mmap:
 haskell-mmap: