don't make assumptions about $PATH in Cygwin instructions
diff --git a/Doc/doc/doc.tex b/Doc/doc/doc.tex
index e7aa0b2..c56473d 100644
--- a/Doc/doc/doc.tex
+++ b/Doc/doc/doc.tex
@@ -1846,7 +1846,7 @@
     using this command to build and install the software:
 
 \begin{verbatim}
-% configure && make install
+% ./configure && make install
 \end{verbatim}
 
     You should now be able to build at least the DVI, HTML, PDF, and