update tc help text

src/components/toolchain/GraphicalEditorHelpModal.jsx

@@ -45,7 +45,7 @@ class GraphicalEditorHelpModal extends React.PureComponent<Props> {
 					<h3>How do I...</h3>
 					<h5>Add a block?</h5>
 					<p>
-						Right-clicking anywhere on the grid will open a menu for adding (or pasting) blocks to the grid point where the block dot is.
+						Right-clicking anywhere on the background grid will open a menu for adding (or pasting) blocks to the grid point where the puck (the black dot that follows your mouse) is.
 					</p>
 					<h5>Change the information of a block?</h5>
 					<p>
@@ -59,6 +59,10 @@ class GraphicalEditorHelpModal extends React.PureComponent<Props> {
 					<p>
 						Besides being able to delete a block in the Block Editor, you can right-click blocks or connections to show a menu where you may delete the corresponding element.
 					</p>
+					<h5>Temporarily hide connections?</h5>
+					<p>
+						The editor only displays connections connected to selected blocks. For example, to only see connections to/from Block X, select Block X (via shift+clicking on the block).
+					</p>
 					<h3>Keyboard Shortcuts</h3>
 					<Table striped>
 						<thead>
@@ -159,7 +163,7 @@ class GraphicalEditorHelpModal extends React.PureComponent<Props> {
 									</pre>
 								</td>
 								<td>
-									Shift + left-clicking a block will toggle selection.
+									Shift + left-clicking a block will toggle selection. Clicking on the background grid will clear the selection.
 								</td>
 							</tr>
 							<tr>