diff --git a/src/main/java/org/apache/commons/lang3/tuple/ImmutablePair.java b/src/main/java/org/apache/commons/lang3/tuple/ImmutablePair.java
index 0496e66d6..3e0a74065 100644
--- a/src/main/java/org/apache/commons/lang3/tuple/ImmutablePair.java
+++ b/src/main/java/org/apache/commons/lang3/tuple/ImmutablePair.java
@@ -21,8 +21,8 @@ package org.apache.commons.lang3.tuple;
  * 
  * <p>Although the implementation is immutable, there is no restriction on the objects
  * that may be stored. If mutable objects are stored in the pair, then the pair
- * itself effectively becomes mutable. The class is also not {@code final}, so a subclass
- * could add undesirable behaviour.</p>
+ * itself effectively becomes mutable. The class is also {@code final}, so a subclass
+ * can not add undesirable behaviour.</p>
  * 
  * <p>#ThreadSafe# if both paired objects are thread-safe</p>
  *
diff --git a/src/main/java/org/apache/commons/lang3/tuple/ImmutableTriple.java b/src/main/java/org/apache/commons/lang3/tuple/ImmutableTriple.java
index 423c76bb3..7e4660c22 100644
--- a/src/main/java/org/apache/commons/lang3/tuple/ImmutableTriple.java
+++ b/src/main/java/org/apache/commons/lang3/tuple/ImmutableTriple.java
@@ -21,8 +21,8 @@ package org.apache.commons.lang3.tuple;
  * 
  * <p>Although the implementation is immutable, there is no restriction on the objects
  * that may be stored. If mutable objects are stored in the triple, then the triple
- * itself effectively becomes mutable. The class is also not {@code final}, so a subclass
- * could add undesirable behaviour.</p>
+ * itself effectively becomes mutable. The class is also {@code final}, so a subclass
+ * can not add undesirable behaviour.</p>
  * 
  * <p>#ThreadSafe# if all three objects are thread-safe</p>
  *