diff --git a/guix/build/guile-build-system.scm b/guix/build/guile-build-system.scm
index e7e7f2d0be..76bbb79259 100644
--- a/guix/build/guile-build-system.scm
+++ b/guix/build/guile-build-system.scm
@@ -216,7 +216,7 @@ installed; this is useful for files that are meant to be included."
                                 (documentation-file-regexp
                                  %documentation-file-regexp)
                                 #:allow-other-keys)
-  "Install files that mactch DOCUMENTATION-FILE-REGEXP."
+  "Install files that match DOCUMENTATION-FILE-REGEXP."
   (let* ((out (assoc-ref outputs "out"))
          (doc (string-append out "/share/doc/"
                              (strip-store-file-name out))))