diff --git a/SDM.md b/SDM.md
index 9ef2ee4..c500c73 100644
--- a/SDM.md
+++ b/SDM.md
@@ -1,13 +1,13 @@
 <!-- markdownlint-disable-next-line first-line-h1 -->
-####### Project
+###### Project
 
 ::PROJECT-NAME
 
-####### Internal Release Number
+###### Internal Release Number
 
 ::X.Y.Z
 
-####### Related Documents
+###### Related Documents
 
 - ::LINKS TO RELEVANT STANDARDS
 - ::LINKS TO OTHER DOCUMENTS