diff --git a/doc/binary_c-ensemble.lyx b/doc/binary_c-ensemble.lyx
index 0b9f360473689dedab20ed7aa98fdc4c947506e0..f0a01f2fead4c0df6365717b8142844eadc95f8c 100644
--- a/doc/binary_c-ensemble.lyx
+++ b/doc/binary_c-ensemble.lyx
@@ -3469,7 +3469,7 @@ status open
 \begin_inset Graphics
 	filename ensemble/COCO_merger_rate.png
 	lyxscale 11
-	scale 33
+	width 90text%
 
 \end_inset
 
@@ -3517,7 +3517,7 @@ status open
 \begin_inset Graphics
 	filename ensemble/Co59_yields.png
 	lyxscale 11
-	scale 33
+	width 90text%
 
 \end_inset
 
@@ -3569,7 +3569,7 @@ status open
 \begin_inset Graphics
 	filename ensemble/theoretical_HRD.png
 	lyxscale 11
-	scale 33
+	width 90text%
 
 \end_inset
 
diff --git a/doc/binary_c2.lyx b/doc/binary_c2.lyx
index 40380a108ba5ff8a742f90964d540cd6ab100ea7..8ab48be0abf40421948bcf628e2fa3fa181ddac9 100644
--- a/doc/binary_c2.lyx
+++ b/doc/binary_c2.lyx
@@ -673,7 +673,7 @@ there are certainly bugs and omissions
  Please, if you find one, can you let him know, preferably through the gitlab
  bug reporting interface 
 \begin_inset Flex URL
-status collapsed
+status open
 
 \begin_layout Plain Layout
 
@@ -833,6 +833,24 @@ https://www.facebook.com/groups/149489915089142
 \end_inset
 
 
+\end_layout
+
+\begin_layout Itemize
+\begin_inset Formula $\binaryc$
+\end_inset
+
+ is on YouTube at 
+\begin_inset Flex URL
+status open
+
+\begin_layout Plain Layout
+
+https://www.youtube.com/channel/UCsWzzMdthAs5LMmDnXEqzrg
+\end_layout
+
+\end_inset
+
+
 \end_layout
 
 \begin_layout Subsection
@@ -861,6 +879,33 @@ groups
  service
 \end_layout
 
+\begin_layout Itemize
+We have a Slack workspace for 
+\begin_inset Formula $\binaryc$
+\end_inset
+
+, the 
+\begin_inset Quotes eld
+\end_inset
+
+BinarySlack
+\begin_inset Quotes erd
+\end_inset
+
+, at 
+\begin_inset Flex URL
+status open
+
+\begin_layout Plain Layout
+
+binaryslack.slack.com
+\end_layout
+
+\end_inset
+
+.
+\end_layout
+
 \begin_layout Itemize
 The announcements list
 \begin_inset Newline newline
@@ -907,33 +952,6 @@ This is more of a discussion list outlining specific changes to physics
  
 \end_layout
 
-\begin_layout Itemize
-We have a Slack workspace for 
-\begin_inset Formula $\binaryc$
-\end_inset
-
-, the 
-\begin_inset Quotes eld
-\end_inset
-
-BinarySlack
-\begin_inset Quotes erd
-\end_inset
-
-, at 
-\begin_inset Flex URL
-status open
-
-\begin_layout Plain Layout
-
-binaryslack.slack.com
-\end_layout
-
-\end_inset
-
-.
-\end_layout
-
 \begin_layout Subsection
 Conventions
 \end_layout
@@ -1182,8 +1200,12 @@ This section is a quick guide to getting
 \begin_inset Formula $\binaryc$
 \end_inset
 
- and 
+, 
 \begin_inset Formula $\binarygrid$
+\end_inset
+
+ or 
+\begin_inset Formula $\binarycpython$
 \end_inset
 
  to work.
@@ -1259,7 +1281,7 @@ git
 
 \end_inset
 
- account
+ account,
 \end_layout
 
 \begin_layout Standard
diff --git a/doc/binary_c2_preamble.tex b/doc/binary_c2_preamble.tex
index 2940af0af8081f24ca21cd7be643d282fd053d98..e400b41fc9c99218d334edad1da3359d65c5a65e 100644
--- a/doc/binary_c2_preamble.tex
+++ b/doc/binary_c2_preamble.tex
@@ -20,6 +20,10 @@
 \definecolor{Sectioncolour1}{RGB}{179,100,100} 
 \definecolor{Sectioncolour}{RGB}{159,29,35}  
 
+% use \sloppy to allow word spacing to adjust so
+% we don't overflow the right margin (too often)
+\sloppy
+
 % background
 
 %\usepackage{gradientframe}