diff --git a/src/jlink.hpp b/src/jlink.hpp
index 152f78a..70c627f 100644
--- a/src/jlink.hpp
+++ b/src/jlink.hpp
@@ -19,7 +19,7 @@
 class Jlink: public JtagInterface {
 	public:
 		/*!
-		 * \brief contructor: open device 
+		 * \brief constructor: open device 
 		 * \param[in] clkHz: output clock frequency
 		 * \param[in] verbose: verbose level -1 quiet, 0 normal,
 		 * 								1 verbose, 2 debug
@@ -28,7 +28,7 @@ class Jlink: public JtagInterface {
 
 		~Jlink();
 
-		// jtagInterface requirement
+		// jtag Interface requirement
 		/*!
 		 * \brief configure probe clk frequency
 		 * \param[in] clkHZ: frequency in Hertz
@@ -58,7 +58,7 @@ class Jlink: public JtagInterface {
 
 		/*!
 		 * \brief access ll_write outer this class / directly receives
-		 *        fully filled tms, tdi buffers, and optionnally tdo
+		 *        fully filled tms, tdi buffers, and optionally tdo
 		 * \param[in] tms: tms buffer
 		 * \param[in] tdi: tdi buffer
 		 * \param[out] tdo: tdo buffer
@@ -295,7 +295,7 @@ class Jlink: public JtagInterface {
 		// buffers for xfer, tdi and tdo
 		// each jlink's buffer have 2K Byte
 		// enough to send full jtag write
-		// buffers must be independant
+		// buffers must be independent
 		uint8_t _xfer_buf[(2048*2) + 4]; /*!> internal buffer */
 		uint8_t _tms[2048]; /*!< TMS buffer */
 		uint8_t _tdi[2048]; /*!< TDI buffer */
diff --git a/src/jtag.cpp b/src/jtag.cpp
index 755e2ef..9a28b8e 100644
--- a/src/jtag.cpp
+++ b/src/jtag.cpp
@@ -285,7 +285,7 @@ int Jtag::flushTMS(bool flush_buffer)
 
 void Jtag::go_test_logic_reset()
 {
-	/* idenpendly to current state 5 clk with TMS high is enough */
+	/* independently to current state 5 clk with TMS high is enough */
 	for (int i = 0; i < 6; i++)
 		setTMS(0x01);
 	flushTMS(false);
diff --git a/src/lattice.cpp b/src/lattice.cpp
index 56f57dc..85ff306 100644
--- a/src/lattice.cpp
+++ b/src/lattice.cpp
@@ -248,7 +248,7 @@ void displayFeabits(uint16_t _featbits)
 	printf("\tMy_ASSP                                  : %s\n",
 	    (((_featbits>>4)&0x01)?"enable":"disable"));
 	printf("\tPassword (Flash Protect Key) Protect All : %s\n",
-	    (((_featbits>>3)&0x01)?"Enaabled" : "Disabled"));
+	    (((_featbits>>3)&0x01)?"Enabled" : "Disabled"));
 	printf("\tPassword (Flash Protect Key) Protect     : %s\n",
 	    (((_featbits>>2)&0x01)?"Enabled" : "Disabled"));
 }
@@ -983,10 +983,10 @@ void Lattice::displayReadReg(uint32_t dev)
 				printf("SDM EOF\n");
 				break;
 			case 8:
-				printf("Authentification ERR\n");
+				printf("Authentication ERR\n");
 				break;
 			case 9:
-				printf("Authentification Setup ERR\n");
+				printf("Authentication Setup ERR\n");
 				break;
 			case 10:
 				printf("Bitstream Engine Timeout ERR\n");
@@ -1003,7 +1003,7 @@ void Lattice::displayReadReg(uint32_t dev)
 		if ((dev >> 46) & 0x01) printf("\tINIT Bus ID Error\n");
 		if ((dev >> 47) & 0x01) printf("\tI3C Parity Error1\n");
 		err = (dev >> 48) & 0x03;
-		printf("\tAuthentification mode:\n");
+		printf("\tAuthentication mode:\n");
 		printf("\t\t");
 		switch (err) {
 			case 3:
@@ -1017,8 +1017,8 @@ void Lattice::displayReadReg(uint32_t dev)
 				printf("HMAC\n");
 				break;
 		}
-		if ((dev >> 50) & 0x01) printf("\tAuthentification Done\n");
-		if ((dev >> 51) & 0x01) printf("\tDry Run Authentification Done\n");
+		if ((dev >> 50) & 0x01) printf("\tAuthentication Done\n");
+		if ((dev >> 51) & 0x01) printf("\tDry Run Authentication Done\n");
 #endif
 }
 
diff --git a/src/mcsParser.cpp b/src/mcsParser.cpp
index e762ef0..bc980c3 100644
--- a/src/mcsParser.cpp
+++ b/src/mcsParser.cpp
@@ -24,7 +24,7 @@ using namespace std;
  *        01 -> end of file
  *        02 -> extended addr
  *        03 -> start segment addr record
- *        04 -> extented linear addr record
+ *        04 -> extended linear addr record
  *        05 -> start linear addr record
  */
 
diff --git a/src/pofParser.cpp b/src/pofParser.cpp
index c794342..e7be4cf 100644
--- a/src/pofParser.cpp
+++ b/src/pofParser.cpp
@@ -109,7 +109,7 @@ uint32_t POFParser::parseSection(uint16_t flag, uint32_t pos, uint32_t size)
 	/* 0x03: bitstream name ? */
 	/* 0x3b: ? */
 	/* 0x12: ? */
-	/* 0x13: containts usercode / checksum */
+	/* 0x13: contains usercode / checksum */
 	/* 0x24: ? */
 	/* 0x11: ? */
 	/* 0x18: ? */
diff --git a/src/rawParser.hpp b/src/rawParser.hpp
index 4dce0f5..4f7c579 100644
--- a/src/rawParser.hpp
+++ b/src/rawParser.hpp
@@ -26,7 +26,7 @@ class RawParser: public ConfigBitstreamParser {
 		RawParser(const std::string &filename, bool reverseOrder);
 		/*!
 		 * \brief read full content of the file, fill the buffer
-		 * \return EXIT_SUCCESS is file is fully read, EXIT_FAILURE otherwhise
+		 * \return EXIT_SUCCESS is file is fully read, EXIT_FAILURE otherwise
 		 */
 		int parse() override;
 
diff --git a/src/spiFlash.cpp b/src/spiFlash.cpp
index abcf0f8..7befe28 100644
--- a/src/spiFlash.cpp
+++ b/src/spiFlash.cpp
@@ -284,7 +284,7 @@ int SPIFlash::erase_and_prog(int base_addr, uint8_t *data, int len)
 	bool must_relock = false;  // used to relock after write;
 
 	/* microchip SST26VF032B have global lock set
-	 * at powerup. global unlock must be send inconditionally
+	 * at powerup. global unlock must be send unconditionally
 	 * with or without block protection
 	 */
 	if (_jedec_id == 0xbf2642bf) {  // microchip SST26VF032B
@@ -457,7 +457,7 @@ void SPIFlash::read_id()
 				_flash_model->nr_sector, _flash_model->nr_sector * 0x80000 / 1048576);
 		printInfo(content);
 	} else {
-		/* read extented */
+		/* read extended */
 		if ((_jedec_id & 0xff) != 0) {
 			has_edid = true;
 			len += (_jedec_id & 0x0ff);
diff --git a/src/spiFlash.hpp b/src/spiFlash.hpp
index 6c7a840..34a0673 100644
--- a/src/spiFlash.hpp
+++ b/src/spiFlash.hpp
@@ -29,7 +29,7 @@ class SPIFlash {
 		int disable_protection();
 		/*!
 		 * \brief enable protection for selected blocks
-		 * \param[in] protect_code: bp + tb combinaison
+		 * \param[in] protect_code: bp + tb combination
 		 * \return -1 if write enable or enabling failed
 		 */
 		int enable_protection(uint8_t protect_code = 0x1c);
@@ -84,7 +84,7 @@ class SPIFlash {
 		 * \brief check if area base_addr to base_addr + len match
 		 *        data content
 		 * \param[in] base_addr: base address to read
-		 * \param[in] data: theorical area content
+		 * \param[in] data: theoretical area content
 		 * \param[in] len: length (in Byte) to area and data
 		 * \param[in] rd_burst: size of packet to read
 		 * \return false if read fails or content didn't match, true otherwise
diff --git a/src/spiInterface.hpp b/src/spiInterface.hpp
index bdaaf16..1b5ef48 100644
--- a/src/spiInterface.hpp
+++ b/src/spiInterface.hpp
@@ -29,7 +29,7 @@ class SPIInterface {
 	bool bulk_erase_flash();
 	/*!
 	 * \brief write len byte into flash starting at offset,
-	 *        optionnally verify after write and unprotect
+	 *        optionally verify after write and unprotect
 	 *        blocks if required and allowed
 	 * \param[in] offset: offset into flash
 	 * \param[in] data: data to write
diff --git a/src/xilinx.hpp b/src/xilinx.hpp
index 1d242b0..fdbbd28 100644
--- a/src/xilinx.hpp
+++ b/src/xilinx.hpp
@@ -52,7 +52,7 @@ class Xilinx: public Device, SPIInterface {
 		void reset() override;
 
 		/* -------------- */
-		/* xc3s managment */
+		/* xc3s management */
 		/* -------------- */
 
 		/*!
@@ -119,7 +119,7 @@ class Xilinx: public Device, SPIInterface {
 		 */
 		void xc2c_flow_reinit();
 		/*!
-		 * \brief erase full internal flash (optionnally verify)
+		 * \brief erase full internal flash (optionally verify)
 		 * \return false if erase fails, true otherwise
 		 */
 		bool xc2c_flow_erase();
@@ -175,7 +175,7 @@ class Xilinx: public Device, SPIInterface {
 		/*!
 		 * \brief xilinx ZynqMP Ultrascale+ specific initialization
 		 * \param[in] family name
-		 * \return true if device has been correctly initilized
+		 * \return true if device has been correctly initialized
 		 */
 		bool zynqmp_init(const std::string &family);
 
diff --git a/src/xvc_client.hpp b/src/xvc_client.hpp
index 9a64ac8..87034c3 100644
--- a/src/xvc_client.hpp
+++ b/src/xvc_client.hpp
@@ -16,7 +16,7 @@
 class XVC_client: public JtagInterface {
 	public:
 		/*!
-		 * \brief contructor: open device 
+		 * \brief constructor: open device 
 		 * \param[in] ip_addr: server IP addr
 		 * \param[in] clkHz: output clock frequency
 		 * \param[in] verbose: verbose level -1 quiet, 0 normal,
diff --git a/src/xvc_server.cpp b/src/xvc_server.cpp
index 34ff1d5..93d5d96 100644
--- a/src/xvc_server.cpp
+++ b/src/xvc_server.cpp
@@ -324,7 +324,7 @@ int XVC_server::handle_data(int fd)
 			return 1;
 		}
 
-		/* 3. receiv 2 x nr_bytes (TMS + TDI) */
+		/* 3. receive 2 x nr_bytes (TMS + TDI) */
 		memset(_tmstdi, 0, _buffer_size);
 		if (sread(fd, _tmstdi, nr_bytes * 2) != 1) {
 			printError("reading data failed");