minor grammer fixes

keyboards/satan/keymaps/iso_split_rshift/readme.md

@@ -21,7 +21,7 @@ For the full Quantum feature list, see the parent readme.md.
 * bonus arrow keys in the bottom right corner on Alt/Win/Menu/rCtrl/Shift
 * more bonus arrow keys on wasd (spacefn layer)
 * media keys prev/next/play/vol+/vol- (spacefn layer)
-* formware bootloader button
+* firmware bootloader button
 * WS2812 RGB Underglow Support (not needed anymore to solder directly to the atmega)
 * additional brackets that only work in german layout due to horrible placement
 in the default qwertz layout
@@ -32,5 +32,5 @@ in the default qwertz layout
 * nice visualization of the layers [here](http://www.keyboard-layout-editor.com/#/gists/aba4e4396459ede85bc66a22cee88e48)
 * no-need-to-solder-on-chip picture:
 ![no need to solder directly on the chip anymore](LEDpinSatan.jpg)
-* special thanks to /u/TerryMathews  who suggested the pin PB2 so soldering
+* special thanks to /u/TerryMathews  who suggested the pin PB2, so soldering
 directly on the atmega is not needed anymore. Happened on [reddit](https://www.reddit.com/r/MechanicalKeyboards/comments/4ghq9z/photos_satan_rgb60_w1976/d2k5tra)