diff --git a/diagram_groups.tex b/diagram_groups.tex
index f233a275898fc649f481b0261690ade516487e32..fcdd94653964a39a1a4b3a8f0f2dcb91cbedff49 100644
--- a/diagram_groups.tex
+++ b/diagram_groups.tex
@@ -15,7 +15,7 @@
 \begin{document}
 
 \begin{tikzpicture}[scale=0.8]
-    \def\r{3};
+    \def\r{2.5};
 
     % Line and circles
     \foreach \a in {0,...,23} {
@@ -28,16 +28,16 @@
         \draw[fill,red] ({\a*15}:\r) circle (0.12);
     }
     % Red label
-    \draw [fill,red] ({1*15}:\r/2) circle (0.12);
-    \draw ({1*15}:\r/2) +(0,-0.3) node {zeroes of $b_2$};
+    \draw [fill,red] ({2*15}:\r/2) circle (0.12);
+    \draw ({2*15}:\r/2) +(0,-0.3) node {zeroes of $b_2$};
 
     % Blue squares
     \foreach \a in {9,10,11,14,16,17} {
         \draw[fill,blue] ({\a*15}:\r) +(-0.15,-0.1) -- +(0.15,-0.1) -- +(0,0.15);
     }
     % Blue label
-    \draw[fill,blue] ({11*15}:\r/2) +(-0.15,-0.1) -- +(0.15,-0.1) -- +(0,0.15);
-    \draw ({11*15}:\r/2) +(0,-0.3) node {zeroes of $b_1$};
+    \draw[fill,blue] ({12*15}:\r/2) +(-0.15,-0.1) -- +(0.15,-0.1) -- +(0,0.15);
+    \draw ({12*15}:\r/2) +(0,-0.3) node {zeroes of $b_1$};
 
     % Arrows
     \draw[->] ({7*15}:\r-1) -- ({7*15}:\r-0.2);