Improve post titles.

1 files changed, 2 insertions, 2 deletions

diff --git a/_archive/arduino-uno.md b/_archive/arduino-uno.md
index 850fae4..e750304 100644
--- a/_archive/arduino-uno.md
+++ b/_archive/arduino-uno.md
@@ -10,7 +10,7 @@ with a 16 MHz crystal and 3.3 V with an 8 MHz crystal. While the 5 V
 configuration is common, the 3.3 V configuration can be advantageous in
 low-power applications and when interfacing with parts that run at 3.3 V.
 
-## 5 V - 16 MHz configuration 
+## 5V-16MHz configuration 
 
 The steps that follow refer to the following pinout.
 
@@ -37,7 +37,7 @@ In addition to the connections described above, it's a good idea to add 0.1 μF
 decoupling capacitors between pins 7, 20, and 21 and ground.
 [Here's](Makefile) a sample Makefile for avr-gcc and avrdude.
 
-## 3.3 V - 8 MHz configuration 
+## 3.3V-8MHz configuration 
 
 The following steps use Arduino Uno as an ISP and Arduino utilities to program
 ATmega328P's bootloader and the fuses (e.g., BOD level) for a 3.3 V supply.