Quit using title case for entry titles

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/docs/3.0-migration-guide.d/00README b/docs/3.0-migration-guide.d/00README
index 0312594..a41733e 100644
--- a/docs/3.0-migration-guide.d/00README
+++ b/docs/3.0-migration-guide.d/00README
@@ -4,7 +4,7 @@
 
 ---%<------%<------%<------%<------%<------%<------%<------%<---
 
-The Change That Was Made
+The change that was made
 ------------------------
 
 Who exactly is affected: does this affect users of the default config, of a