Rename 5.1 upgrade guide to migration guide

Corey Taylor · Corey Taylor · commit 9e9833e83ae3 · 2024-01-24T05:16:30.000-06:00
diff --git a/en/appendices.rst b/en/appendices.rst
@@ -12,7 +12,7 @@ introduced in each version and the migration path between versions.
 
     appendices/5-0-upgrade-guide
     appendices/5-0-migration-guide
-    appendices/5-1-upgrade-guide
+    appendices/5-1-migration-guide
 
 Backwards Compatibility Shimming
 ================================
diff --git a/en/appendices/5-1-migration-guide.rst b/en/appendices/5-1-migration-guide.rst
@@ -1,5 +1,5 @@
-5.1 Upgrade Guide
-#################
+5.1 Migration Guide
+###################
 
 The 5.1.0 release is a backwards compatible with 5.0. It adds new functionality
 and introduces new deprecations. Any functionality deprecated in 5.x will be
diff --git a/en/appendices/migration-guides.rst b/en/appendices/migration-guides.rst
@@ -9,4 +9,5 @@ each version and the migration path between 4.x and 5.x.
 
     ./5-0-upgrade-guide
     ./5-0-migration-guide
+    ./5-1-migration-guide
     ./phpunit10
