diff --git a/troubleshooting.md b/troubleshooting.md
index eacec61..9d44538 100644
--- a/troubleshooting.md
+++ b/troubleshooting.md
@@ -57,10 +57,10 @@ and you'll get output that looks something like this...
  +-----+-----+---------+------+---+---Pi 3---+---+------+---------+-----+-----+
 ```
 
-make sure the mode for all GPIO pins you want to test have a Mode of IN
+make sure all the GPIO pins you want to test have a **Mode** of **IN** to make it in input
 if not, set the mode for each.. 
 
-set BCM pin 4 as an input
+so, for example, to set **BCM** pin 4 as an input
 
 ```gpio -g mode 4 input```
 
@@ -68,12 +68,12 @@ verify it got set correctly using
 
 ```gpio readall```
 
-enable pull-down resistor for pin 4 to make sure V stays zero when nothing is connected to the input 
+enable pull-down resistor for pin 4 to make sure **V** stays zero when nothing is connected to the input 
 
 ```gpio -g mode 4 down```
 
 This will show you the output of gpio readall every 2 seconds. This way you can concentrate on
-moving a wire to each gpio pin and then look up to verify V has changed as you expect without
+moving a wire to each gpio pin and then look up to verify **V** has changed as you expect without
 having to type.
 
 ```watch gpio readall```