--- a/doc/hg.1.txt
+++ b/doc/hg.1.txt
@@ -146,6 +146,16 @@ HGMERGE::
(deprecated, use .hgrc)
+HGRCPATH::
+ A list of files or directories to search for hgrc files. Item
+ separator is ":" on Unix, ";" on Windows. If HGRCPATH is not set,
+ platform default search path is used. If empty, only .hg/hgrc of
+ current repository is read.
+
+ For each element in path, if a directory, all entries in directory
+ ending with ".rc" are added to path. Else, element itself is
+ added to path.
+
HGUSER::
This is the string used for the author of a commit.