diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9e97311439..fb11f382ea 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -25,8 +25,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # As of Jackson 2.14 got Java 8 baseline so can build on later JDKs too
-        java_version: ['8', '11', '17', '20']
+        java_version: ['8', '11', '17', '21']
         os: ['ubuntu-20.04']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
diff --git a/src/main/java/com/fasterxml/jackson/core/util/JsonBufferRecyclers.java b/src/main/java/com/fasterxml/jackson/core/util/JsonBufferRecyclers.java
index d364bc62b4..06311d960e 100644
--- a/src/main/java/com/fasterxml/jackson/core/util/JsonBufferRecyclers.java
+++ b/src/main/java/com/fasterxml/jackson/core/util/JsonBufferRecyclers.java
@@ -108,7 +108,7 @@ public static RecyclerPool<BufferRecycler> newBoundedPool(int size) {
      */
 
     /**
-     * {@link ThreadLocal}-based {@link RecyclerPool} implemenetation used for
+     * {@link ThreadLocal}-based {@link RecyclerPool} implementation used for
      * recycling {@link BufferRecycler} instances:
      * see {@link RecyclerPool.ThreadLocalPoolBase} for full explanation
      * of functioning.