Update docs for release v0.2.1

content/docs/installing-from-binaries.org

@@ -8,7 +8,7 @@
 
 ** Installation
 
-Download the file named ~chordcat-0.2.0-win64.exe~ from the [[https://github.com/shriramters/chordcat/releases/tag/v0.2.0][releases page]].
+Download the file named ~chordcat-0.2.1-win64.exe~ from the [[https://github.com/shriramters/chordcat/releases/tag/v0.2.1][releases page]].
 
 You may be greeted with the Windows Defender SmartScreen warning. This
 is because I haven't codesigned the installer binary with a microsoft
@@ -34,14 +34,14 @@ control panel (search for "Add or Remove Programs" in the start menu).
 [[/chordcat/control-panel-uninstall.png]]
 
 * Debian
-Download the file named ~chordcat_0.2.0_amd64.deb~ from the [[https://github.com/shriramters/chordcat/releases/tag/v0.2.0][releases page]].
+Download the file named ~chordcat_0.2.1_amd64.deb~ from the [[https://github.com/shriramters/chordcat/releases/tag/v0.2.1][releases page]].
 
 If you use GNOME or KDE, you can double click the file to install it.
 
 You can also install it from the command line like so:
 #+begin_example bash
 cd ~/Downloads
-sudo apt install ./chordcat_0.1.0_amd64.deb
+sudo apt install ./chordcat_0.2.1_amd64.deb
 #+end_example
 
 If you are unable to double click it, you can install the graphical installer
@@ -62,3 +62,11 @@ You might have to use the terminal for this:
 #+begin_example bash
 sudo apt remove --autoremove chordcat
 #+end_example
+
+* Any Linux
+
+You can download chordcat from [[https://flathub.org/apps/dev.ters.Chordcat][flathub]]
+
+@@html:<a href='https://flathub.org/apps/dev.ters.Chordcat'>@@
+  @@html:<img width='240' alt='Get it on Flathub' src='https://flathub.org/api/badge?locale=en'/>@@
+@@html:</a>@@

content/docs/packaging.org

@@ -18,7 +18,7 @@ for locally compiled packages).
 #+begin_example bash
 mkdir build && cd build
 cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=/usr
-cmake --build . -j$(nrpoc)
+cmake --build . -j$(nproc)
 cpack -V -C Release
 #+end_example