diff --git a/diagram_paths.tex b/diagram_paths.tex
index f86b4af62ba8ef2945f730dfafd96407e80e8036..469eafd8d7365e427007ace9bba880256aff1f47 100644
--- a/diagram_paths.tex
+++ b/diagram_paths.tex
@@ -26,13 +26,18 @@
     \foreach \y in {0,...,5}
         \draw [->] (8,\y) -- (8,\y+0.9);
 
-    \draw (8,-0.2) node {$n_1$};
-    \draw (-0.2,6) node {$n_2$};
 
-    \draw (4,-0.5) node {step of path 1};
-    \node[rotate=90,anchor=south,xshift=3cm,yshift=0.5cm] {step of path 2};
+    \draw(-0.1,-0.4) node {$b_1\land b_2$};
+    \draw(8,-0.4) node {$\mathbf{1} \land b_2$};
+    \draw (-0.2,6.3) node {$b_1\land\mathbf{1}$};
+    \draw (8.2,6.3) node {$\mathbf{1}$};
+
+    \draw (4,-0.5) node {$\to$ steps of $\xi_1$};
+    \node[rotate=90,anchor=south,xshift=3cm,yshift=0.5cm] {$\to$ steps of $\xi_2$};
 
     \draw[fill,red] (0,0) circle (0.08);
+    \draw[fill,red] (8,0) circle (0.05);
+    \draw[fill,red] (0,6) circle (0.05);
     \draw[fill,red] (8,6) circle (0.08);
 
     \def\x{5};
