diff --git a/UnicodeBasic.lean b/UnicodeBasic.lean
index e6d0d91e3..b55675191 100644
--- a/UnicodeBasic.lean
+++ b/UnicodeBasic.lean
@@ -49,7 +49,7 @@ namespace Unicode
 /-- Get character name
 
   When the Unicode property `Name` is empty, a unique code label is returned
-  as described in Unicode Standard, section 4.8. These labels start with
+  as recommended in Unicode Standard, section 4.8. These labels start with
   `'<'` (U+003C) and end with `'>'` (U+003E) so they are distinguishable from
   actual name values.
 
diff --git a/lean-toolchain b/lean-toolchain
index 87b20aaf8..4d6fa16ed 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.29.0-rc6
+leanprover/lean4:v4.29.0-rc7