diff --git a/includes/glossary.md b/includes/glossary.md
index 3131d78..f5297b4 100644
--- a/includes/glossary.md
+++ b/includes/glossary.md
@@ -2,7 +2,7 @@
 *[DfE]: Department for Education
 *[CISD]: Cyber Information Security Division
 *[CA]: Continuous Assurance
-*[SBD]: Secure by Design
+*[SbD]: Secure by Design
 *[CDDO]: Central Digital and Data Office (Cabinet Office)
 *[SOC]: Security Operations Centre
 *[CISO]: Chief Information Security Officer (Martin Sivorn)
@@ -25,4 +25,4 @@
 *[ISO]: Information Security Officer
 *[SRO]: Senior Responsible Officer
 *[RACI]: Responsible Accountable Consulted Informed (matrix)
-*[CIS]: Centre for Internet Security
\ No newline at end of file
+*[CIS]: Centre for Internet Security