diff --git a/service/src/main/java/org/wildfly/service/capture/FunctionExecutor.java b/service/src/main/java/org/wildfly/service/capture/FunctionExecutor.java
index f514fbb0b33..4c4ccef431d 100644
--- a/service/src/main/java/org/wildfly/service/capture/FunctionExecutor.java
+++ b/service/src/main/java/org/wildfly/service/capture/FunctionExecutor.java
@@ -32,7 +32,7 @@ public <R, E extends Exception> R execute(ExceptionFunction<V, R, E> function) t
     }
 
     /**
-     * Executes the given function.
+     * Executes the specified function, using a value provided by an associated {@link ValueRegistry}.
      * @param <R> the return type
      * @param <E> the exception type
      * @param function a function to execute
diff --git a/service/src/main/java/org/wildfly/service/capture/FunctionExecutorRegistry.java b/service/src/main/java/org/wildfly/service/capture/FunctionExecutorRegistry.java
index a46b054eff6..a939db50225 100644
--- a/service/src/main/java/org/wildfly/service/capture/FunctionExecutorRegistry.java
+++ b/service/src/main/java/org/wildfly/service/capture/FunctionExecutorRegistry.java
@@ -12,9 +12,9 @@
  */
 public interface FunctionExecutorRegistry<K, V> {
     /**
-     * Returns the executor for the specified key.
+     * Returns the executor for the specified key, if one exists.
      * @param key a registry key
-     * @return an executor, or null, if no such executor exists in the registry
+     * @return the executor for the specified key, or null, if no such executor exists in the registry
      */
     FunctionExecutor<V> getExecutor(K key);
 }