diff --git a/IV/Makefile b/IV/Makefile
index 6d78718..6dd0e9b 100644
--- a/IV/Makefile
+++ b/IV/Makefile
@@ -75,7 +75,7 @@ fig8-definition-of-a-bend.pdf: layer2img.py Makefile .faux_test
 
 fig5-gentle-inflection-before.pdf: layer2img.py Makefile .faux_test
 	python ./layer2img.py \
-		--sizediv=2 \
+		--widthdiv=2 \
 		--group1-table=wm_debug \
 		--group1-where="name='fig5' AND stage='bbends' AND gen=1" \
 		--group2-cmap=1 \
@@ -85,7 +85,7 @@ fig5-gentle-inflection-before.pdf: layer2img.py Makefile .faux_test
 
 fig5-gentle-inflection-after.pdf: layer2img.py Makefile .faux_test
 	python ./layer2img.py \
-		--sizediv=2 \
+		--widthdiv=2 \
 		--group1-table=wm_debug \
 		--group1-where="name='fig5' AND stage='cinflections' AND gen=1" \
 		--group2-cmap=1 \
@@ -95,7 +95,7 @@ fig5-gentle-inflection-after.pdf: layer2img.py Makefile .faux_test
 
 inflection-1-gentle-inflection-before.pdf: layer2img.py Makefile .faux_test
 	python ./layer2img.py \
-		--sizediv=2 \
+		--widthdiv=2 \
 		--group1-table=wm_debug \
 		--group1-where="name='inflection-1' AND stage='bbends' AND gen=1" \
 		--group2-cmap=1 \
@@ -105,7 +105,7 @@ inflection-1-gentle-inflection-before.pdf: layer2img.py Makefile .faux_test
 
 inflection-1-gentle-inflection-after.pdf: layer2img.py Makefile .faux_test
 	python ./layer2img.py \
-		--sizediv=2 \
+		--widthdiv=2 \
 		--group1-table=wm_debug \
 		--group1-where="name='inflection-1' AND stage='cinflections' AND gen=1" \
 		--group2-cmap=1 \
diff --git a/IV/layer2img.py b/IV/layer2img.py
index bcb9925..dd110d5 100644
--- a/IV/layer2img.py
+++ b/IV/layer2img.py
@@ -29,7 +29,7 @@ def parse_args():
     parser.add_argument('--group3-where')
     parser.add_argument('--group3-cmap', type=bool)
 
-    parser.add_argument('--sizediv',
+    parser.add_argument('--widthdiv',
                         default=1, type=float, help='Size divisor')
 
     parser.add_argument('-o', '--outfile', metavar='<file>')
@@ -58,7 +58,7 @@ def main():
 
     rc('text', usetex=True)
     fig, ax = plt.subplots()
-    fig.set_figwidth(8.27 / args.sizediv)
+    fig.set_figwidth(8.27 / args.widthdiv)
     if c := args.clip:
         ax.set_xlim(left=c[0], right=c[2])
         ax.set_ylim(bottom=c[1], top=c[3])
diff --git a/IV/mj-msc.tex b/IV/mj-msc.tex
index 6694888..1358822 100644
--- a/IV/mj-msc.tex
+++ b/IV/mj-msc.tex
@@ -293,12 +293,12 @@ when a single vertex is moved outwards the end of the bend.
 
 \begin{figure}[h]
     \centering
-    \begin{subfigure}[b]{.45\textwidth}
+    \begin{subfigure}[b]{.49\textwidth}
         \includegraphics[width=\textwidth]{fig5-gentle-inflection-before}
         \caption{Before applying the inflection rule}
     \end{subfigure}
     \hfill
-    \begin{subfigure}[b]{.45\textwidth}
+    \begin{subfigure}[b]{.49\textwidth}
         \includegraphics[width=\textwidth]{fig5-gentle-inflection-after}
         \caption{After applying the inflection rule}
     \end{subfigure}