diff --git a/src/main/java/org/apache/commons/io/FilenameUtils.java b/src/main/java/org/apache/commons/io/FilenameUtils.java
index 049c3a7108a..d0b06ed577c 100644
--- a/src/main/java/org/apache/commons/io/FilenameUtils.java
+++ b/src/main/java/org/apache/commons/io/FilenameUtils.java
@@ -664,7 +664,7 @@ public static String getFullPath(final String fileName) {
      * a.txt        --> ""
      * a/b/c        --> a/b
      * a/b/c/       --> a/b/c
-     * C:           --> C:
+     * C:           --> ""
      * C:\          --> C:\
      * ~            --> ~
      * ~/           --> ~