Change comments (fix typos) (#1343)

include/commissioning/commissioner.h

@@ -213,7 +213,7 @@ OTAPI ThreadError OTCALL otSendMgmtCommissionerSet(otInstance *, const otCommiss
                                                    const uint8_t *aTlvs, uint8_t aLength);
 
 /**
- * This function returns the origian Commissioner Session ID.
+ * This function returns the Commissioner Session ID.
  *
  * @param[in]  aInstance  A pointer to an OpenThread instance.
  *

include/openthread-coap.h

@@ -327,7 +327,7 @@ otMessage otCoapNewMessage(otInstance *aInstance, const otCoapHeader *aHeader);
 /**
  * This function sends a CoAP request.
  *
- * If a response for a request is expected, respective function and contex information should be provided.
+ * If a response for a request is expected, respective function and context information should be provided.
  * If no response is expected, these arguments should be NULL pointers.
  *
  * @param[in]  aInstance     A pointer to an OpenThread instance.

include/openthread-types.h

@@ -270,7 +270,7 @@ typedef struct otSecurityPolicy
 } otSecurityPolicy;
 
 /**
- * This enumeration represents flags that indicate security related behaviours within OpenThread.
+ * This enumeration defines the Security Policy TLV flags.
  *
  */
 enum