diff --git a/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/ListBuiltin.java b/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/ListBuiltin.java
index 60c315de8d989c40083c508b45e15e2977320df9..6ab93b8aac6adc32437036a37b36e963fcc6338f 100644
--- a/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/ListBuiltin.java
+++ b/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/ListBuiltin.java
@@ -55,7 +55,7 @@ public abstract class ListBuiltin extends RBuiltinNode {
 
     /**
      * Creates a shared permanent vector so that it can be re-used for every list(...) with the same
-     * arguments
+     * arguments.
      */
     protected final RStringVector cachedArgNameVector(ArgumentsSignature signature) {
         RStringVector result = argNameVector(signature);