diff --git a/HelpSource/Tutorials/02-PiecesInSuperDiffuse.schelp b/HelpSource/Tutorials/02-PiecesInSuperDiffuse.schelp
index a992a93..65f3a62 100644
--- a/HelpSource/Tutorials/02-PiecesInSuperDiffuse.schelp
+++ b/HelpSource/Tutorials/02-PiecesInSuperDiffuse.schelp
@@ -21,9 +21,9 @@ section::Swapping the order
 Pieces can be rearranged by selecting a piece in the list, and pressing the [^] or [v] buttons to move the piece up or down respectively.
 
 section::Editing piece information
-Once added, the information about a piece can be modified. It has a name and a matrix to load when it is selected. To access this Edit dialog, select a piece and press 'e' on the keyboard.
+Once added, the information about a piece can be modified. It has a name and a matrix to load when it is selected. To access this Edit dialog, select a piece and press strong::Ctrl + e:: on the keyboard.
 
-note::Pressing 'e' (for edit) is a feature of SuperDiffuse - the same command is used to edit information about matrices.::
+note::Pressing strong::Ctrl + e:: (for edit) is a feature of SuperDiffuse - the same command is used to edit information about matrices.::
 
 image::piece-info-dialog.png::
 
diff --git a/HelpSource/Tutorials/03-MatricesInSuperDiffuse.schelp b/HelpSource/Tutorials/03-MatricesInSuperDiffuse.schelp
index edac572..140deb5 100644
--- a/HelpSource/Tutorials/03-MatricesInSuperDiffuse.schelp
+++ b/HelpSource/Tutorials/03-MatricesInSuperDiffuse.schelp
@@ -9,7 +9,7 @@ Matrices are used to route the audio playing back from pieces to any number of o
 By default, there is a "Default" matrix already in the list - this matrix will be used as the starting matrix for any new piece (until it is associated with something else), and it cannot be removed from the list.
 
 section::Editing matrix information
-As with pieces, selecting a matrix in the list and pressing 'e' will open the edit dialog:
+As with pieces, selecting a matrix in the list and pressing strong::Ctrl + e:: will open the edit dialog:
 
 image::matrix-edit-dialog.png::