diff --git a/hledger/hledger.m4.md b/hledger/hledger.m4.md
index debe059ab..a73000c0c 100644
--- a/hledger/hledger.m4.md
+++ b/hledger/hledger.m4.md
@@ -3823,7 +3823,7 @@ these are described more fully below, after the examples:
 Note, for best error messages when reading CSV files, use a `.csv`, `.tsv` or `.ssv`
 file extension or file prefix - see [File Extension](#file-extension) below.
 
-There's an introductory [Importing CSV data](import-csv.html) tutorial on hledger.org.
+There's an introductory [Importing CSV data](/import-csv.html) tutorial on hledger.org.
 
 ## Examples