diff --git a/commons-rdf-simple/src/main/java/org/apache/commons/rdf/simple/experimental/AbstractRDFParser.java b/commons-rdf-simple/src/main/java/org/apache/commons/rdf/simple/experimental/AbstractRDFParser.java
index 0ef4d680..a5d36243 100644
--- a/commons-rdf-simple/src/main/java/org/apache/commons/rdf/simple/experimental/AbstractRDFParser.java
+++ b/commons-rdf-simple/src/main/java/org/apache/commons/rdf/simple/experimental/AbstractRDFParser.java
@@ -495,7 +495,7 @@ protected static Optional<RDFSyntax> guessRDFSyntax(final Path path) {
      * for <code>archive.tar.gz</code> would be <code>.gz</code>
      *
      * @param path
-     *            Path which filename might contain an extension
+     *            Path which file name might contain an extension
      * @return File extension (including the leading <code>.</code>, or
      *         {@link Optional#empty()} if the path has no extension
      */