diff --git a/src/main/java/org/apache/commons/collections4/map/AbstractReferenceMap.java b/src/main/java/org/apache/commons/collections4/map/AbstractReferenceMap.java
index fc4dbad106..2d6f278382 100644
--- a/src/main/java/org/apache/commons/collections4/map/AbstractReferenceMap.java
+++ b/src/main/java/org/apache/commons/collections4/map/AbstractReferenceMap.java
@@ -956,7 +956,7 @@ public V setValue(final V value) {
      * A soft reference holder.
      */
     static class SoftRef<T> extends SoftReference<T> {
-        /** the hashCode of the key (even if the reference points to a value) */
+        /** The hashCode of the key (even if the reference points to a value) */
         private final int hash;
 
         SoftRef(final int hash, final T r, final ReferenceQueue<? super T> q) {
@@ -989,7 +989,7 @@ public boolean equals(final Object obj) {
      * A weak reference holder.
      */
     static class WeakRef<T> extends WeakReference<T> {
-        /** the hashCode of the key (even if the reference points to a value) */
+        /** The hashCode of the key (even if the reference points to a value) */
         private final int hash;
 
         WeakRef(final int hash, final T r, final ReferenceQueue<? super T> q) {
diff --git a/src/main/java/org/apache/commons/collections4/map/PassiveExpiringMap.java b/src/main/java/org/apache/commons/collections4/map/PassiveExpiringMap.java
index 53fa4ab4e2..7bf16736c5 100644
--- a/src/main/java/org/apache/commons/collections4/map/PassiveExpiringMap.java
+++ b/src/main/java/org/apache/commons/collections4/map/PassiveExpiringMap.java
@@ -79,7 +79,7 @@ public static class ConstantTimeToLiveExpirationPolicy<K, V>
         /** Serialization version */
         private static final long serialVersionUID = 1L;
 
-        /** the constant time-to-live value measured in milliseconds. */
+        /** The constant time-to-live value measured in milliseconds. */
         private final long timeToLiveMillis;
 
         /**
@@ -198,7 +198,7 @@ private static long validateAndConvertToMillis(final long timeToLive,
     /** map used to manage expiration times for the actual map entries. */
     private final Map<Object, Long> expirationMap = new HashMap<>();
 
-    /** the policy used to determine time-to-live values for map entries. */
+    /** The policy used to determine time-to-live values for map entries. */
     private final ExpirationPolicy<K, V> expiringPolicy;
 
     /**