diff --git a/book/content/boundary_conditions/bc_intro.md b/book/content/boundary_conditions/bc_intro.md
index 84af116..1c46513 100644
--- a/book/content/boundary_conditions/bc_intro.md
+++ b/book/content/boundary_conditions/bc_intro.md
@@ -8,7 +8,7 @@ jupytext:
     jupytext_version: 1.19.1
 ---
 
-# Backgrounc
+# Background
 
 This section discusses the math behind fixed temperature/concentration and flux boundary conditions (BCs).