Note that including Python.h includes limits.h when available.
diff --git a/Doc/api/api.tex b/Doc/api/api.tex
index 6ce5f29..18753c1 100644
--- a/Doc/api/api.tex
+++ b/Doc/api/api.tex
@@ -74,8 +74,8 @@
 \end{verbatim}
 
 This implies inclusion of the following standard headers:
-\code{<stdio.h>}, \code{<string.h>}, \code{<errno.h>}, and
-\code{<stdlib.h>} (if available).
+\code{<stdio.h>}, \code{<string.h>}, \code{<errno.h>},
+\code{<limits.h>}, and \code{<stdlib.h>} (if available).
 
 All user visible names defined by Python.h (except those defined by
 the included standard headers) have one of the prefixes \samp{Py} or