diff --git a/src/mares_common.c b/src/mares_common.c
index 94e71b7..20c50ce 100644
--- a/src/mares_common.c
+++ b/src/mares_common.c
@@ -91,7 +91,7 @@ mares_common_convert_ascii_to_binary (const unsigned char input[], unsigned int
 			else if (ascii >= 'a' && ascii <= 'f')
 				number = 10 + ascii - 'a';
 			else
-				WARNING ("Invalid charachter.");
+				WARNING ("Invalid character.");
 
 			value <<= 4;
 			value += number;
diff --git a/src/uwatec_memomouse.c b/src/uwatec_memomouse.c
index fff0792..c4c2f41 100644
--- a/src/uwatec_memomouse.c
+++ b/src/uwatec_memomouse.c
@@ -413,7 +413,7 @@ uwatec_memomouse_dump_internal (uwatec_memomouse_device_t *device, dc_buffer_t *
 		// Wait for the answer (ACK).
 		n = serial_read (device->port, &answer, 1);
 		if (n != 1) {
-			WARNING ("Failed to recieve the answer.");
+			WARNING ("Failed to receive the answer.");
 			return EXITCODE (n);
 		}
 	}