diff --git a/doc/lgf.dox b/doc/lgf.dox
--- a/doc/lgf.dox
+++ b/doc/lgf.dox
@@ -57,10 +57,10 @@
 
 \code
  @nodes
- label   coordinates size    title
- 1       (10,20)     10      "First node"
- 2       (80,80)     8       "Second node"
- 3       (40,10)     10      "Third node"
+ label  coordinates  size    title
+ 1      (10,20)      10      "First node"
+ 2      (80,80)      8       "Second node"
+ 3      (40,10)      10      "Third node"
 \endcode
 
 The \c \@arcs section is very similar to the \c \@nodes section,
@@ -72,7 +72,7 @@
 
 \code
  @arcs
-               capacity
+         capacity
  1   2   16
  1   3   12
  2   3   18