diff --git a/README.md b/README.md
index 447a80a..f861cea 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ So let's go !
The W800 is a pretty interesting chip with impressive characteristics for its price (around 1$) :
### Core :
* 32bit XT804 CPU
-* 240 Mhz max clock
+* 240 MHz max clock
### Memory :
* 2 MB on chip flash
@@ -237,8 +237,8 @@ to save power
(Need to work on sleep current :-( )
| Mode | Current draw | Estimated battery life (600 mAh lipo) |
|--------------------------|--------------|---------------------------------------|
-|Active (40Mhz clk)
(No BLE / No WiFi) |~52 mA | ~11 hour |
-|Active (240Mhz clk)
(No BLE / No WiFi)|~72 mA | ~8 hour |
+|Active (40MHz clk)
(No BLE / No WiFi) |~52 mA | ~11 hour |
+|Active (240MHz clk)
(No BLE / No WiFi)|~72 mA | ~8 hour |
|Sleep |~4.5 mA |~5 days and 12 hours |
|Standby |~1.8 mA |~13 days and 15 hours |