diff --git a/archival/Config.in b/archival/Config.in
index 7810c35..e3f6239 100644
--- a/archival/Config.in
+++ b/archival/Config.in
@@ -189,7 +189,7 @@
 	  If you enable this option tar will be able to call uncompress,
 	  when extracting .tar.Z archives.
 
-config CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
+config CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY
 	bool "  Enable support for old tar header format"
 	default N
 	depends on CONFIG_TAR
diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c
index 682179a..cd38f45 100644
--- a/archival/libunarchive/get_header_tar.c
+++ b/archival/libunarchive/get_header_tar.c
@@ -80,7 +80,7 @@
 	 * 0's are for the old tar format
 	 */
 	if (strncmp(tar.formated.magic, "ustar", 5) != 0) {
-#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
+#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY
 		if (strncmp(tar.formated.magic, "\0\0\0\0\0", 5) != 0)
 #endif
 			bb_error_msg_and_die("Invalid tar magic");
@@ -144,7 +144,7 @@
 		/* Reserved for high performance files, treat as normal file */
 	case 0:
 	case '0':
-#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
+#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY
 		if (last_char_is(file_header->name, '/')) {
 			file_header->mode |= S_IFDIR;
 		} else
diff --git a/archival/tar.c b/archival/tar.c
index ab4d1f2..9d0a7c5 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -44,7 +44,7 @@
 
 /* Tar file constants  */
 # define TAR_MAGIC          "ustar"	/* ustar and a null */
-# define TAR_VERSION        "  "	/* Be compatable with GNU tar format */
+# define TAR_VERSION        "  "	/* Be compatible with GNU tar format */
 
 #define TAR_BLOCK_SIZE		512
 #define TAR_MAGIC_LEN		6