Fix code block

INSTALL.md

@@ -21,7 +21,7 @@ https://gihub.com/opengribs/XyGrib/releases or on https://opengribs.org in the d
   - Fedora 30:
   	- Build: `sudo dnf install gcc cmake make qt5-devel libpng-devel openjpeg2-devel libnova-devel proj-devel zlib-devel bzip2-devel`
   	- Run: `libnova openjpeg2 qt5-qtbase qt5-qtbase-gui proj`
-  - openSUSE Tumbleweed: `sudo zypper install gcc git cmake libqt5-qtbase-devel libpng-devel openjpeg2-devel libnova-devel libproj-devel zlib-devel libbz2-devel
+  - openSUSE Tumbleweed: `sudo zypper install gcc git cmake libqt5-qtbase-devel libpng-devel openjpeg2-devel libnova-devel libproj-devel zlib-devel libbz2-devel`
   - NIXOS: [`nixpkgs` contains a package for XyGrib](https://github.com/NixOS/nixpkgs/tree/master/pkgs/applications/misc/xygrib)
     - To get a a build environment containing all prerequisities run `nix-shell -p xygrib`
     - If you simply want to install it, use `nix-env -i xygrib`