Minor fixes

Author: lenkis

doc/release/3.4.0.rst

@@ -10,7 +10,7 @@ for the Community and Enterprise editions:
 
 *   **Community Edition (CE)**
 
-    *   Memtx <-> vinyl cross-engine transactions.
+    *   Memtx <--> vinyl cross-engine transactions.
     *   New ``index:quantile()`` function for finding a quantile key in an indexed data range.
     *   Functional indexes in the MVCC transaction manager.
     *   Vinyl now supports ``np`` (next prefix) and ``pp`` (previous prefix) iterators.
@@ -82,8 +82,8 @@ memory consumption of that column by around 5 times.
 
 .. _3-4-cross-engine:
 
-[CE] Memtx <-> vinyl cross-engine transactions
-----------------------------------------------
+[CE] Memtx <--> vinyl cross-engine transactions
+-----------------------------------------------
 
 Tarantool now supports mixing statements for memtx and vinyl in the same transaction,
 for example:

doc/release/index.rst

@@ -65,7 +65,7 @@ For information about earlier versions, see :doc:`eol_versions`.
             -   **April 14, 2025**
             -   **April 14, 2027**
             -   **Not planned yet**
-            -   |
+            -   | :tarantool-release:`3.4.0`
 
         *   -   :doc:`3.3 </release/3.3.0>`
             -   **November 29, 2024**