diff --git a/source/basic.tex b/source/basic.tex
index a813f68d9c..22702cef2e 100644
--- a/source/basic.tex
+++ b/source/basic.tex
@@ -7187,7 +7187,7 @@
 
 \pnum
 \indextext{program!startup|(}%
-A program shall contain exactly one function called \tcode{main}
+A program shall contain exactly one definition of a function called \tcode{main}
 that belongs to the global scope.
 Executing a program starts a main thread of execution\iref{intro.multithread,thread.threads}
 in which the \tcode{main} function is invoked.