Move subsection

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/docs/3.0-migration-guide.md b/docs/3.0-migration-guide.md
index 0d68f0a..5a4a2da 100644
--- a/docs/3.0-migration-guide.md
+++ b/docs/3.0-migration-guide.md
@@ -310,6 +310,13 @@
 replacing the removed functions with `mbedtls_internal_aes_encrypt()` and
 `mbedtls_internal_aes_decrypt()` respectively.
 
+### Deprecated functions were removed from ECDSA
+
+The functions `mbedtls_ecdsa_write_signature_det()` and
+`mbedtls_ecdsa_sign_det()` were removed. They were superseded by
+`mbedtls_ecdsa_write_signature()` and `mbedtls_ecdsa_sign_det_ext()`
+respectively.
+
 
 ## High-level crypto
 
@@ -353,13 +360,6 @@
 respectively which additionally support key wrapping algorithms such as
 NIST_KW.
 
-### Deprecated functions were removed from ECDSA
-
-The functions `mbedtls_ecdsa_write_signature_det()` and
-`mbedtls_ecdsa_sign_det()` were removed. They were superseded by
-`mbedtls_ecdsa_write_signature()` and `mbedtls_ecdsa_sign_det_ext()`
-respectively.
-
 ### Extra parameter for the output buffer size
 
 The following functions now take an extra parameter indicating the size of the output buffer: