diff --git a/commons-vfs2-jackrabbit1/src/test/java/org/apache/commons/vfs2/provider/webdav/test/JcrUtils.java b/commons-vfs2-jackrabbit1/src/test/java/org/apache/commons/vfs2/provider/webdav/test/JcrUtils.java
index 975c09745c..7523daaf30 100644
--- a/commons-vfs2-jackrabbit1/src/test/java/org/apache/commons/vfs2/provider/webdav/test/JcrUtils.java
+++ b/commons-vfs2-jackrabbit1/src/test/java/org/apache/commons/vfs2/provider/webdav/test/JcrUtils.java
@@ -62,7 +62,7 @@ final class JcrUtils {
      * @param parent parent node
      * @param name name of the child node
      * @return the child node
-     * @throws RepositoryException if the child node can not be accessed or created
+     * @throws RepositoryException if the child node cannot be accessed or created
      */
     public static Node getOrAddFolder(final Node parent, final String name) throws RepositoryException {
         return getOrAddNode(parent, name, NodeType_NT_FOLDER);
@@ -80,7 +80,7 @@ public static Node getOrAddFolder(final Node parent, final String name) throws R
      * @param name name of the child node
      * @param type type of the child node, ignored if the child already exists
      * @return the child node
-     * @throws RepositoryException if the child node can not be accessed or created
+     * @throws RepositoryException if the child node cannot be accessed or created
      */
     public static Node getOrAddNode(final Node parent, final String name, final String type)
             throws RepositoryException {
@@ -119,7 +119,7 @@ public static Node getOrAddNode(final Node parent, final String name, final Stri
      * @param mime media type of the file
      * @param data binary content of the file
      * @return the child node
-     * @throws RepositoryException if the child node can not be created or updated
+     * @throws RepositoryException if the child node cannot be created or updated
      */
     public static Node putFile(final Node parent, final String name, final String mime, final InputStream data)
             throws RepositoryException {
@@ -156,7 +156,7 @@ public static Node putFile(final Node parent, final String name, final String mi
      * @param data binary content of the file
      * @param date date of last modification
      * @return the child node
-     * @throws RepositoryException if the child node can not be created or updated
+     * @throws RepositoryException if the child node cannot be created or updated
      */
     public static Node putFile(final Node parent, final String name, final String mime, final InputStream data,
             final Calendar date) throws RepositoryException {
diff --git a/commons-vfs2-jackrabbit2/src/test/java/org/apache/commons/vfs2/provider/webdav4/test/JcrUtils.java b/commons-vfs2-jackrabbit2/src/test/java/org/apache/commons/vfs2/provider/webdav4/test/JcrUtils.java
index e6e9b53a01..cb5f7c4345 100644
--- a/commons-vfs2-jackrabbit2/src/test/java/org/apache/commons/vfs2/provider/webdav4/test/JcrUtils.java
+++ b/commons-vfs2-jackrabbit2/src/test/java/org/apache/commons/vfs2/provider/webdav4/test/JcrUtils.java
@@ -62,7 +62,7 @@ final class JcrUtils {
      * @param parent parent node
      * @param name name of the child node
      * @return the child node
-     * @throws RepositoryException if the child node can not be accessed or created
+     * @throws RepositoryException if the child node cannot be accessed or created
      */
     public static Node getOrAddFolder(final Node parent, final String name) throws RepositoryException {
         return getOrAddNode(parent, name, NodeType_NT_FOLDER);
@@ -80,7 +80,7 @@ public static Node getOrAddFolder(final Node parent, final String name) throws R
      * @param name name of the child node
      * @param type type of the child node, ignored if the child already exists
      * @return the child node
-     * @throws RepositoryException if the child node can not be accessed or created
+     * @throws RepositoryException if the child node cannot be accessed or created
      */
     public static Node getOrAddNode(final Node parent, final String name, final String type)
             throws RepositoryException {
@@ -119,7 +119,7 @@ public static Node getOrAddNode(final Node parent, final String name, final Stri
      * @param mime media type of the file
      * @param data binary content of the file
      * @return the child node
-     * @throws RepositoryException if the child node can not be created or updated
+     * @throws RepositoryException if the child node cannot be created or updated
      */
     public static Node putFile(final Node parent, final String name, final String mime, final InputStream data)
             throws RepositoryException {
@@ -156,7 +156,7 @@ public static Node putFile(final Node parent, final String name, final String mi
      * @param data binary content of the file
      * @param date date of last modification
      * @return the child node
-     * @throws RepositoryException if the child node can not be created or updated
+     * @throws RepositoryException if the child node cannot be created or updated
      */
     public static Node putFile(final Node parent, final String name, final String mime, final InputStream data,
             final Calendar date) throws RepositoryException {
diff --git a/commons-vfs2-sandbox/src/main/java/org/apache/commons/vfs2/util/SharedRandomContentInputStream.java b/commons-vfs2-sandbox/src/main/java/org/apache/commons/vfs2/util/SharedRandomContentInputStream.java
index 048bae768a..527219709f 100644
--- a/commons-vfs2-sandbox/src/main/java/org/apache/commons/vfs2/util/SharedRandomContentInputStream.java
+++ b/commons-vfs2-sandbox/src/main/java/org/apache/commons/vfs2/util/SharedRandomContentInputStream.java
@@ -150,7 +150,7 @@ public synchronized int read(final byte[] b, final int off, int len) throws IOEx
         }
 
         if (fileEnd > -1 && calcFilePosition(len) > fileEnd) {
-            // we can not read past our end
+            // we cannot read past our end
             len = (int) (fileEnd - getFilePosition());
         }
 
@@ -174,7 +174,7 @@ public synchronized long skip(long n) throws IOException {
         }
 
         if (fileEnd > -1 && calcFilePosition(n) > fileEnd) {
-            // we can not skip past our end
+            // we cannot skip past our end
             n = fileEnd - getFilePosition();
         }
 
diff --git a/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileName.java b/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileName.java
index a31fd86b54..4858318714 100644
--- a/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileName.java
+++ b/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileName.java
@@ -74,7 +74,7 @@ public interface FileName extends Comparable<FileName> {
     /**
      * Gets a "friendly path", this is a path without a password.
      * <p>
-     * This path can not be used to resolve the path again.
+     * This path cannot be used to resolve the path again.
      * </p>
      *
      * @return the friendly URI as a String.
diff --git a/commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/ram/RamFileData.java b/commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/ram/RamFileData.java
index 6d519179f8..ecc8ae4692 100644
--- a/commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/ram/RamFileData.java
+++ b/commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/ram/RamFileData.java
@@ -70,7 +70,7 @@ final class RamFileData implements Serializable {
         children = Collections.synchronizedCollection(new ArrayList<>());
         clear();
         if (name == null) {
-            throw new IllegalArgumentException("name can not be null");
+            throw new IllegalArgumentException("name cannot be null");
         }
         this.name = name;
     }