diff --git a/doc/user/esp.tex b/doc/user/esp.tex
index 970ac88220..f29dfa49ad 100644
--- a/doc/user/esp.tex
+++ b/doc/user/esp.tex
@@ -43,7 +43,7 @@ The grid spacing is specified by
   spacing <real spac>
 \end{verbatim}
 where \verb+spac+ is the grid spacing in $nm$ for the regularly spaced
-grid points. If not specified, a default spacing of 0.1 $nm$ is used.
+grid points. If not specified, a default spacing of 0.05 $nm$ is used.
 \item
 The van der Waals radius of an element can be specified by
 \begin{verbatim}