Update documentation

Author: actions-user

docs/api.md

@@ -15,10 +15,9 @@ This class allows the user to put the device into different low-power states and
  Members                        | Descriptions                                
 --------------------------------|---------------------------------------------
 | [`LowPower`](#class_low_power_1a096a38a40767b27b681330a514fd4e48) | Constructor for [LowPower](#class_low_power) class. Initializes the low power and sleep configurations. |
-| [`begin`](#class_low_power_1ab6612ee1251267af4a79ebd243d3ebac) |  |
-| [`sleep`](#class_low_power_1a351563f87f8d1f118e9d77201fd59a55) | Puts the device into a standard sleep mode. The device can be woken up by predefined interrupts or conditions. |
-| [`deepSleep`](#class_low_power_1ada3410c10d04970e0898eb5f7f36ce55) | Puts the device into a deep sleep mode. The device consumes the least power in this mode but requires specific conditions to wake up. |
-| [`enableWakeupFromPin`](#class_low_power_1a9ee83fbc2b670ac9490cd179b2e08138) | Enables wake-up of the device from a specified pin.  |
+| [`sleep`](#class_low_power_1a351563f87f8d1f118e9d77201fd59a55) | Puts the device into a standard sleep mode. This sleep mode consumes less power than the active mode but more than the deep sleep mode. The device will resume execution from the point where it entered the sleep mode. |
+| [`deepSleep`](#class_low_power_1ada3410c10d04970e0898eb5f7f36ce55) | Puts the device into a deep sleep mode. The device consumes the least power in this mode but will reset when it wakes up effectively running the setup() function again. |
+| [`enableWakeupFromPin`](#class_low_power_1a9ee83fbc2b670ac9490cd179b2e08138) | Enables wake-up of the device from a specified pin (A0, A1, A2, A3, A4, A5, D4, D7 )  |
 | [`enableWakeupFromRTC`](#class_low_power_1a91d86cab239a56506bf15e9d2139c097) | Enables wake-up of the device based on the Real-Time Clock (RTC). |
 
 ## Members
@@ -32,21 +31,13 @@ public LowPower()
 Constructor for [LowPower](#class_low_power) class. Initializes the low power and sleep configurations.
 <hr />
 
-### `begin` <a id="class_low_power_1ab6612ee1251267af4a79ebd243d3ebac" class="anchor"></a>
-
-```cpp
-public void begin()
-```
-
-<hr />
-
 ### `sleep` <a id="class_low_power_1a351563f87f8d1f118e9d77201fd59a55" class="anchor"></a>
 
 ```cpp
 public void sleep()
 ```
 
-Puts the device into a standard sleep mode. The device can be woken up by predefined interrupts or conditions.
+Puts the device into a standard sleep mode. This sleep mode consumes less power than the active mode but more than the deep sleep mode. The device will resume execution from the point where it entered the sleep mode.
 <hr />
 
 ### `deepSleep` <a id="class_low_power_1ada3410c10d04970e0898eb5f7f36ce55" class="anchor"></a>
@@ -55,7 +46,7 @@ Puts the device into a standard sleep mode. The device can be woken up by predef
 public void deepSleep()
 ```
 
-Puts the device into a deep sleep mode. The device consumes the least power in this mode but requires specific conditions to wake up.
+Puts the device into a deep sleep mode. The device consumes the least power in this mode but will reset when it wakes up effectively running the setup() function again.
 <hr />
 
 ### `enableWakeupFromPin` <a id="class_low_power_1a9ee83fbc2b670ac9490cd179b2e08138" class="anchor"></a>
@@ -64,7 +55,7 @@ Puts the device into a deep sleep mode. The device consumes the least power in t
 public bool enableWakeupFromPin(uint8_t pin, PinStatus direction)
 ```
 
-Enables wake-up of the device from a specified pin. 
+Enables wake-up of the device from a specified pin (A0, A1, A2, A3, A4, A5, D4, D7 ) 
 #### Parameters
 * `pin` The pin number used for waking up the device.