diff --git a/drivers/SerialBase.h b/drivers/SerialBase.h
index 7d248c6187..7cce02341e 100644
--- a/drivers/SerialBase.h
+++ b/drivers/SerialBase.h
@@ -160,10 +160,10 @@ public:
      * If both serial input and serial output are disabled, the
      * peripheral is freed. If either serial input or serial
      * output is re-enabled, the peripheral is reinitialized.
-     * 
-     * On reinitialisation rx interrupts will be enabled if a 
+     *
+     * On reinitialization rx interrupts will be enabled if a
      * rx handler is attached. The rx handler is called once
-     * during reinitialisation.
+     * during reinitialization.
      */
     void enable_input(bool enable = true);
 
@@ -172,10 +172,10 @@ public:
      * If both serial input and serial output are disabled, the
      * peripheral is freed. If either serial input or serial
      * output is re-enabled, the peripheral is reinitialized.
-     * 
-     * On reinitialisation tx interrupts will be enabled if a 
+     *
+     * On reinitialization tx interrupts will be enabled if a
      * tx handler is attached. The tx handler is called once
-     * during reinitialisation.
+     * during reinitialization.
      */
     void enable_output(bool enable = true);
 
diff --git a/drivers/source/SerialBase.cpp b/drivers/source/SerialBase.cpp
index e5e5a22273..a6cfa4e60a 100644
--- a/drivers/source/SerialBase.cpp
+++ b/drivers/source/SerialBase.cpp
@@ -30,11 +30,11 @@ SerialBase::SerialBase(PinName tx, PinName rx, int baud) :
     _rx_callback(NULL), _tx_asynch_set(false),
     _rx_asynch_set(false),
 #endif
-    _serial(), 
-    _baud(baud), 
-    _rx_enabled(true), 
-    _tx_enabled(true), 
-    _tx_pin(tx), 
+    _serial(),
+    _baud(baud),
+    _rx_enabled(true),
+    _tx_enabled(true),
+    _tx_pin(tx),
     _rx_pin(rx),
     _flow_type(Disabled),
     _flow1(NC),