diff --git a/bible/kt/firstborn.md b/bible/kt/firstborn.md
index c5b2941b..1d65e774 100644
--- a/bible/kt/firstborn.md
+++ b/bible/kt/firstborn.md
@@ -1,18 +1,18 @@
-# firstborn #
+# first-born #
 
 ## Definition: ##
 
-The term "firstborn" refers to an offspring of people or animals that is born first, before the other offspring are born.
+The term "first-born" refers to an offspring of people or animals that is born first, before the other offspring are born.
 
-* In the Bible, "firstborn" usually refers to the first male offspring that is born.
-* In Bible times, the firstborn son was given a place of prominence and twice as much of his family inheritance as the other sons.
-* Often it was the firstborn male of an animal that was sacrificed to God.
-* This concept can also be used figuratively. For example, the nation of Israel is called God's firstborn son because God gave it special privileges over other nations.
-* Jesus, the Son of God is called God's firstborn because of his importance and authority over everyone else.
+* In the Bible, "first-born" usually refers to the first male offspring that is born.
+* In Bible times, the first-born son was given a place of prominence and twice as much of his family inheritance as the other sons.
+* Often it was the first-born male of an animal that was sacrificed to God.
+* This concept can also be used figuratively. For example, the nation of Israel is called God's first-born son because God gave it special privileges over other nations.
+* Jesus, the Son of God is called God's first-born because of his importance and authority over everyone else.
 
 ## Translation Suggestions: ##
 
-* When "firstborn" occurs in the text alone, it could also be translated as "firstborn male" or "firstborn son," since that is what is implied. (See: [Assumed Knowledge and Implicit Information](en/ta-vol1/translate/man/figs-explicit))
+* When "first-born" occurs in the text alone, it could also be translated as "first-born male" or "first-born son," since that is what is implied. (See: [Assumed Knowledge and Implicit Information](en/ta-vol1/translate/man/figs-explicit))
 * Other ways to translate this term could include  "the son who was born first" or "the eldest son" or "the number one son."
 * When used figuratively to refer to Jesus, this could be translated with a word or phrase that means "the son who has authority over everything" or "the Son who is first in honor."
 * Caution: Make sure the translation of this term in reference to Jesus does not imply that he was created.