diff --git a/modules/ve/ce/ve.ce.LeafNode.js b/modules/ve/ce/ve.ce.LeafNode.js
index 2c8b2c73ed..7fca36433f 100644
--- a/modules/ve/ce/ve.ce.LeafNode.js
+++ b/modules/ve/ce/ve.ce.LeafNode.js
@@ -6,7 +6,7 @@
  */
 
 /**
- * ContentEditable node that can not have any children.
+ * ContentEditable node that cannot have any children.
  *
  * @class
  * @abstract
diff --git a/modules/ve/dm/ve.dm.Document.js b/modules/ve/dm/ve.dm.Document.js
index c2e5d6aea4..9aadbb2345 100644
--- a/modules/ve/dm/ve.dm.Document.js
+++ b/modules/ve/dm/ve.dm.Document.js
@@ -805,7 +805,7 @@ ve.dm.Document.prototype.rebuildNodes = function ( parent, index, numNodes, offs
  * Gets an offset a given distance from another using a callback to check if offsets are valid.
  *
  * - If {offset} is not already valid, one step will be used to move it to an valid one.
- * - If {offset} is already valid and can not be moved in the direction of {distance} and still be
+ * - If {offset} is already valid and cannot be moved in the direction of {distance} and still be
  *   valid, it will be left where it is
  * - If {distance} is zero the result will either be {offset} if it's already valid or the
  *   nearest valid offset to the right if possible and to the left otherwise.
diff --git a/modules/ve/dm/ve.dm.Transaction.js b/modules/ve/dm/ve.dm.Transaction.js
index b17b3fe7fb..7aa210cf51 100644
--- a/modules/ve/dm/ve.dm.Transaction.js
+++ b/modules/ve/dm/ve.dm.Transaction.js
@@ -64,7 +64,7 @@ ve.dm.Transaction.newFromInsertion = function ( doc, offset, insertion ) {
  * @param {ve.dm.Document} doc Document to create transaction for
  * @param {ve.Range} range Range of data to remove
  * @returns {ve.dm.Transaction} Transcation that removes data
- * @throws 'Invalid range, can not remove from {range.start} to {range.end}'
+ * @throws 'Invalid range, cannot remove from {range.start} to {range.end}'
  */
 ve.dm.Transaction.newFromRemoval = function ( doc, range ) {
 	var i, selection, first, last, nodeStart, nodeEnd,
@@ -163,19 +163,19 @@ ve.dm.Transaction.newFromRemoval = function ( doc, range ) {
  * @param {String} key Attribute name
  * @param {Mixed} value New value, or undefined to remove the attribute
  * @returns {ve.dm.Transaction} Transcation that changes an element
- * @throws 'Can not set attributes to non-element data'
- * @throws 'Can not set attributes on closing element'
+ * @throws 'Cannot set attributes to non-element data'
+ * @throws 'Cannot set attributes on closing element'
  */
 ve.dm.Transaction.newFromAttributeChange = function ( doc, offset, key, value ) {
 	var tx = new ve.dm.Transaction(),
 		data = doc.getData();
 	// Verify element exists at offset
 	if ( data[offset].type === undefined ) {
-		throw new Error( 'Can not set attributes to non-element data' );
+		throw new Error( 'Cannot set attributes to non-element data' );
 	}
 	// Verify element is not a closing
 	if ( data[offset].type.charAt( 0 ) === '/' ) {
-		throw new Error( 'Can not set attributes on closing element' );
+		throw new Error( 'Cannot set attributes on closing element' );
 	}
 	// Retain up to element
 	tx.pushRetain( offset );
@@ -616,11 +616,11 @@ ve.dm.Transaction.prototype.translateRange = function ( range, reversed ) {
  *
  * @method
  * @param {Number} length Length of content data to retain
- * @throws 'Invalid retain length, can not retain backwards: {length}'
+ * @throws 'Invalid retain length, cannot retain backwards: {length}'
  */
 ve.dm.Transaction.prototype.pushRetain = function ( length ) {
 	if ( length < 0 ) {
-		throw new Error( 'Invalid retain length, can not retain backwards:' + length );
+		throw new Error( 'Invalid retain length, cannot retain backwards:' + length );
 	}
 	if ( length ) {
 		var end = this.operations.length - 1;
diff --git a/modules/ve/dm/ve.dm.TransactionProcessor.js b/modules/ve/dm/ve.dm.TransactionProcessor.js
index 96734763a7..08542c45c4 100644
--- a/modules/ve/dm/ve.dm.TransactionProcessor.js
+++ b/modules/ve/dm/ve.dm.TransactionProcessor.js
@@ -153,7 +153,7 @@ ve.dm.TransactionProcessor.processors.attribute = function ( op ) {
 		to = this.reversed ? op.from : op.to,
 		from = this.reversed ? op.to : op.from;
 	if ( element.type === undefined ) {
-		throw new Error( 'Invalid element error, can not set attributes on non-element data' );
+		throw new Error( 'Invalid element error, cannot set attributes on non-element data' );
 	}
 	if ( to === undefined ) {
 		// Clear
@@ -452,7 +452,7 @@ ve.dm.TransactionProcessor.prototype.process = function () {
  *
  * @method
  * @param {Number} to Offset to stop annotating at. Annotating starts at this.cursor
- * @throws 'Invalid transaction, can not annotate a branch element'
+ * @throws 'Invalid transaction, cannot annotate a branch element'
  * @throws 'Invalid transaction, annotation to be set is already set'
  * @throws 'Invalid transaction, annotation to be cleared is not set'
  */
diff --git a/modules/ve/test/dm/ve.dm.Node.test.js b/modules/ve/test/dm/ve.dm.Node.test.js
index 37685764eb..44834ef758 100644
--- a/modules/ve/test/dm/ve.dm.Node.test.js
+++ b/modules/ve/test/dm/ve.dm.Node.test.js
@@ -59,7 +59,7 @@ QUnit.test( 'setLength', 2, function ( assert ) {
 	assert.strictEqual( node.getLength(), 1234 );
 	assert.throws(
 		function () {
-			// Length can not be negative
+			// Length cannot be negative
 			node.setLength( -1 );
 		},
 		Error,
diff --git a/modules/ve/ui/ve.ui.Context.js b/modules/ve/ui/ve.ui.Context.js
index 25b2d73071..264c434160 100644
--- a/modules/ve/ui/ve.ui.Context.js
+++ b/modules/ve/ui/ve.ui.Context.js
@@ -324,7 +324,7 @@ ve.ui.Context.prototype.initInspector = function ( name ) {
 ve.ui.Context.prototype.openInspector = function ( name ) {
 	// Auto-initialize the inspector
 	if ( !this.initInspector( name ) ) {
-		throw new Error( 'Missing inspector. Can not open nonexistent inspector: ' + name );
+		throw new Error( 'Missing inspector. Cannot open nonexistent inspector: ' + name );
 	}
 	// Only allow one inspector open at a time
 	if ( this.inspector ) {