README formatting

README.md

@@ -79,13 +79,13 @@ RadiationD-v1.1(CAJOE):
 
 12V power mod with step down converter and voltage divider for voltage measurement:
 
-  BAT+ --+--------------.
-         \R\            |
-          \1\           '
-            >---+--------------------------------- A0
-          /R/   |       .    ________________
-         /2/   === C1   +---| buck converter |---- 5V
-  BAT- --'------+-----------|________________|---- GND
+    BAT+ --+--------------.
+           \R\            |
+            \1\           '
+              >---+--------------------------------- A0
+            /R/   |       .    ________________
+           /2/   === C1   +---| buck converter |---- 5V
+    BAT- --'------+-----------|________________|---- GND
 
   Example values: R1=1MΩ, R2=100kΩ, C1=some ceramic capacitor (optional)
   measures up to ~30V