diff --git a/00-UDB_front&back/UDB-1-Intro.md b/00-UDB_front&back/UDB-1-Intro.md
index 08fdc5b7..ea670ea5 100644
--- a/00-UDB_front&back/UDB-1-Intro.md
+++ b/00-UDB_front&back/UDB-1-Intro.md
@@ -5,7 +5,7 @@ The Unlocked Dynamic Bible (UDB) is a translation of the Bible that is intended
 By using the UDB as a supplemental resource to the ULB, translators will be able to 1) see in the ULB many of the expressions used in the original Bible, and then 2) see in the UDB what their meaning is. Translators can use the forms from the ULB that are clear and natural in their language. When those forms are not clear or natural in their language, they can use the UDB, Translation Notes, and Translation Words to help them choose other forms in their language that have the same meaning as the ULB.
 
 **You can learn more about the UDB** in the Appendix to the UDB [[rc://en_ulb/00-About_the_UDB/UDB-3-Appendix.md.]]  It has the following sections: 
-* Origin and Puropose of the UDB
+* Origin and Purpose of the UDB
 * Characteristics of the UDB
 * Decisions Concerning the UDB
 * Avoiding Translation Difficulties