diff --git a/src/bmp280/bmp280.hpp b/src/bmp280/bmp280.hpp
index a2ba0e51..97c6835f 100644
--- a/src/bmp280/bmp280.hpp
+++ b/src/bmp280/bmp280.hpp
@@ -331,7 +331,7 @@ namespace upm {
      * Set a general usage mode.  This function can be used to
      * configure the filters and oversampling for a particular use
      * case.  These setting are documented in the BMP280 datasheet.
-     * The default mode set in the contructor is
+     * The default mode set in the constructor is
      * USAGE_MODE_INDOOR_NAV, the highest resolution mode.
      *
      * @param mode One of the USAGE_MODE_T values.
diff --git a/src/bmx055/bma250e.hpp b/src/bmx055/bma250e.hpp
index c867e6d1..1da207f6 100644
--- a/src/bmx055/bma250e.hpp
+++ b/src/bmx055/bma250e.hpp
@@ -1127,7 +1127,7 @@ namespace upm {
     void setSelfTest(bool sign, bool amp, SELFTTEST_AXIS_T axis);
 
     /**
-     * Return the Interrupt Enables 0 register.  These resgisters
+     * Return the Interrupt Enables 0 register.  These registers
      * allow you to enable various interrupt conditions.  See the
      * datasheet for details.
      *
diff --git a/src/bmx055/bmg160.hpp b/src/bmx055/bmg160.hpp
index b9995aca..2c7c0046 100644
--- a/src/bmx055/bmg160.hpp
+++ b/src/bmx055/bmg160.hpp
@@ -961,7 +961,7 @@ namespace upm {
     void fifoConfig(FIFO_MODE_T mode, FIFO_DATA_SEL_T axes);
 
     /**
-     * Return the Interrupt Enables 0 register.  These resgisters
+     * Return the Interrupt Enables 0 register.  These registers
      * allow you to enable various interrupt conditions.  See the
      * datasheet for details.
      *
diff --git a/src/bmx055/bmm150.hpp b/src/bmx055/bmm150.hpp
index 910e3ea7..5967bf59 100644
--- a/src/bmx055/bmm150.hpp
+++ b/src/bmx055/bmm150.hpp
@@ -430,7 +430,7 @@ namespace upm {
     OPERATION_MODE_T getOpmode();
 
     /**
-     * Return the Interrupt Enables register.  This resgister
+     * Return the Interrupt Enables register.  This register
      * allows you to enable various interrupt conditions.  See the
      * datasheet for details.
      *
@@ -476,7 +476,7 @@ namespace upm {
     uint8_t getInterruptStatus();
 
     /**
-     * Set the repetion counter for the X and Y axes.  This allows the
+     * Set the repetition counter for the X and Y axes.  This allows the
      * device to average a number of measurements for a more stable
      * output.  See the datasheet for details.
      *
@@ -486,7 +486,7 @@ namespace upm {
     void setRepetitionsXY(uint8_t reps);
 
     /**
-     * Set the repetion counter for the Z axis.  This allows the
+     * Set the repetition counter for the Z axis.  This allows the
      * device to average a number of measurements for a more stable
      * output.  See the datasheet for details.
      *
diff --git a/src/ozw/ozw.hpp b/src/ozw/ozw.hpp
index 78d9188b..b3a51caf 100644
--- a/src/ozw/ozw.hpp
+++ b/src/ozw/ozw.hpp
@@ -108,7 +108,7 @@ namespace upm {
 
     /**
      * Start configuration with basic options.  This must be called
-     * prior to init(), after the OZW() contructor is called.
+     * prior to init(), after the OZW() constructor is called.
      *
      * @param configPath Set the location of the OpenZWave config
      * directory, default is /etc/openzwave
diff --git a/src/ozw/ozwinterface.hpp b/src/ozw/ozwinterface.hpp
index 1f935fca..d1412dbf 100644
--- a/src/ozw/ozwinterface.hpp
+++ b/src/ozw/ozwinterface.hpp
@@ -72,7 +72,7 @@ namespace upm {
 
     /**
      * Start configuration with basic options.  This must be called
-     * prior to init(), after the OZW() contructor is called.
+     * prior to init(), after the OZW() constructor is called.
      *
      * @param configPath Set the location of the OpenZWave config
      * directory, default is /etc/openzwave
diff --git a/src/ozw/zwNode.hpp b/src/ozw/zwNode.hpp
index b96a85ae..0dd217c4 100644
--- a/src/ozw/zwNode.hpp
+++ b/src/ozw/zwNode.hpp
@@ -48,7 +48,7 @@ namespace upm {
     typedef std::list<OpenZWave::ValueID> valueList_t;
 
     /**
-     * zwNode contructor.
+     * zwNode constructor.
      *
      * @param homeId the homeId os the network controller
      * @param nodeId the node index
diff --git a/src/pca9685/pca9685.hpp b/src/pca9685/pca9685.hpp
index d7b23cc8..64ed0d0c 100644
--- a/src/pca9685/pca9685.hpp
+++ b/src/pca9685/pca9685.hpp
@@ -304,7 +304,7 @@ namespace upm {
   private:
     /**
      * Enables the I2C register auto-increment. This needs to be enabled
-     * for write/readWord() to work. The contructor enables this by
+     * for write/readWord() to work. The constructor enables this by
      * default.
      *
      * @param ai True to enable, false otherwise
diff --git a/src/pn532/pn532.hpp b/src/pn532/pn532.hpp
index 0ac7b3ab..c28741fe 100644
--- a/src/pn532/pn532.hpp
+++ b/src/pn532/pn532.hpp
@@ -241,7 +241,7 @@ namespace upm {
     /**
      * configures the SAM (Secure Access Module)
      *
-     * @return true if successfully configured
+     * @return true if successfuly configured
      */
     bool SAMConfig(void);
 
@@ -421,8 +421,8 @@ namespace upm {
                                uint8_t dataLen);
 
     /**
-     * return the ATQA (Answer to Request Acknowlege) value.  This
-     * value is only valid after a successfull call to
+     * return the ATQA (Answer to Request Acknowledge) value.  This
+     * value is only valid after a successful call to
      * readPassiveTargetID()
      * 
      * @return ATQA value
@@ -430,8 +430,8 @@ namespace upm {
     uint16_t getATQA() { return m_ATQA; };
 
     /**
-     * return the SAK (Select Acknowlege) value.  This
-     * value is only valid after a successfull call to
+     * return the SAK (Select Acknowledge) value.  This
+     * value is only valid after a successful call to
      * readPassiveTargetID()
      * 
      * @return SAK value
@@ -491,9 +491,9 @@ namespace upm {
     uint8_t m_key[6];       // Mifare Classic key
     uint8_t m_inListedTag;  // Tg number of inlisted tag.
 
-    uint16_t m_ATQA;        // ATQA (Answer to Request Acknowlege - ISO14443)
+    uint16_t m_ATQA;        // ATQA (Answer to Request Acknowledge - ISO14443)
                             // for currently inlisted card
-    uint8_t m_SAK;          // SAK (Select Acknowlege) 
+    uint8_t m_SAK;          // SAK (Select Acknowledge) 
                             // for currently inlisted card
 
     // debugables
diff --git a/src/sx1276/sx1276.hpp b/src/sx1276/sx1276.hpp
index 6ef88cf4..aec07028 100644
--- a/src/sx1276/sx1276.hpp
+++ b/src/sx1276/sx1276.hpp
@@ -126,7 +126,7 @@ namespace upm {
      * same as they were last set during the last RX_DONE event.
      */
     typedef enum {
-      REVENT_DONE                       = 0, // operation completed successfully
+      REVENT_DONE                       = 0, // operation completed successfuly
       REVENT_EXEC,                           // runninsg something
       REVENT_ERROR,                          // failed, crc error, sync timeout
       REVENT_TIMEOUT                         // timed out
@@ -1807,8 +1807,8 @@ namespace upm {
 
     /**
      * Start a receive operation.  The method will return when
-     * completed, either successfully, or in error (crc, or other
-     * issue).  If completed successfully, the returned buffer can be
+     * completed, either successfuly, or in error (crc, or other
+     * issue).  If completed successfuly, the returned buffer can be
      * read via getRxBuffer() or getRxBufferStr().  In addition,
      * values for RSSI and SNR (Lora only) can be retrieved.
      *
@@ -2011,7 +2011,7 @@ namespace upm {
 
     uint8_t lookupFSKBandWidth(uint32_t bw);
 
-    // received data (on successfull completion)
+    // received data (on successful completion)
     volatile int m_rxRSSI;
     volatile int m_rxSNR;
     volatile int m_rxLen;