diff --git a/src/aes_ref.c b/src/aes_ref.c
index 85b7d69..036a95d 100644
--- a/src/aes_ref.c
+++ b/src/aes_ref.c
@@ -25,7 +25,7 @@
 This work, including the source code, documentation
 and related data, is placed into the public domain.
 
-The orginal author is Karl Malbrain.
+The original author is Karl Malbrain.
 
 THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY
 OF ANY KIND, NOT EVEN THE IMPLIED WARRANTY OF
diff --git a/src/cbootimage.c b/src/cbootimage.c
index e728c8b..3d93bb4 100644
--- a/src/cbootimage.c
+++ b/src/cbootimage.c
@@ -314,7 +314,7 @@ main(int argc, char *argv[])
 		goto fail;
 	}
 
-	/* Peform final signing & encryption of bct. */
+	/* Perform final signing & encryption of bct. */
 	e = sign_bct(&context, context.bct);
 	if (e != 0) {
 		printf("Signing BCT failed, error: %d.\n", e);
diff --git a/src/cbootimage.h b/src/cbootimage.h
index 1cc4c27..0a2e3d9 100644
--- a/src/cbootimage.h
+++ b/src/cbootimage.h
@@ -52,7 +52,7 @@
 
 /* Minimum size to read to at least be able to validate a BCT, it must
  * include the boot_data_version field with any BCT version while not
- * beeing larger than the smallest possible BCT. The currently supported
+ * being larger than the smallest possible BCT. The currently supported
  * BCT are as follow:
  *
  * Chip		Version offset	Total size
diff --git a/src/data_layout.h b/src/data_layout.h
index 90b0410..b3799a8 100644
--- a/src/data_layout.h
+++ b/src/data_layout.h
@@ -26,7 +26,7 @@
 
 #include "cbootimage.h"
 
-/* Foward declarations */
+/* Forward declarations */
 struct build_image_context_rec;
 
 typedef struct blk_data_rec *blk_data_handle;
diff --git a/src/parse.c b/src/parse.c
index 1006093..cdcd5cc 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -35,7 +35,7 @@
  * SetXXX() sets state based on the parsing results but does not perform
  *      any parsing of its own
  * A ParseXXX() function may call other parse functions and set functions.
- * A SetXXX() function may not call any parseing functions.
+ * A SetXXX() function may not call any parsing functions.
  */
 
 static int
diff --git a/src/parse.h b/src/parse.h
index d53cfbc..916c935 100644
--- a/src/parse.h
+++ b/src/parse.h
@@ -1143,7 +1143,7 @@ typedef struct cbootimage_soc_config_rec {
 	int (*get_bct_size)();
 
 	/*
-	 * Set MTS infomation in bct according to the value listed
+	 * Set MTS information in bct according to the value listed
 	 * in config file.
 	 *
 	 * @param context	The main context pointer
diff --git a/src/set.c b/src/set.c
index 2013169..1bdaa5f 100644
--- a/src/set.c
+++ b/src/set.c
@@ -33,7 +33,7 @@
  * SetXXX() sets state based on the parsing results but does not perform
  *      any parsing of its own
  * A ParseXXX() function may call other parse functions and set functions.
- * A SetXXX() function may not call any parseing functions.
+ * A SetXXX() function may not call any parsing functions.
  */
 #define DEFAULT()                                                     \
 	default:                                                      \
diff --git a/src/t20/nvboot_sdram_param_t20.h b/src/t20/nvboot_sdram_param_t20.h
index d3d11f4..5beebb0 100644
--- a/src/t20/nvboot_sdram_param_t20.h
+++ b/src/t20/nvboot_sdram_param_t20.h
@@ -279,7 +279,7 @@ typedef struct nvboot_sdram_params_rec {
 	uint32_t emc_zcal_mrw_cmd;
 
 	/*
-	 * Specifies the MRS command value for initilizing
+	 * Specifies the MRS command value for initializing
 	 * the mode register.
 	 */
 	uint32_t emc_mrs_reset_dll;
diff --git a/src/t30/nvboot_sdram_param_t30.h b/src/t30/nvboot_sdram_param_t30.h
index ab6d536..47898d2 100644
--- a/src/t30/nvboot_sdram_param_t30.h
+++ b/src/t30/nvboot_sdram_param_t30.h
@@ -278,7 +278,7 @@ typedef struct nvboot_sdram_params_rec {
 	uint32_t emc_cfg_dig_dll;
 	/* Specifies the value for EMC_CFG_DIG_DLL_PERIOD */
 	uint32_t emc_cfg_dig_dll_period;
-	/* Specifies the vlaue of *DEV_SELECTN of various EMC registers */
+	/* Specifies the value of *DEV_SELECTN of various EMC registers */
 	uint32_t emc_dev_select;
 
 	/* Specifies the value for EMC_SEL_DPD_CTRL */