diff --git a/arch-config/.gitconfig b/arch-config/.gitconfig
index e0d7ed07..76779cfd 100755
--- a/arch-config/.gitconfig
+++ b/arch-config/.gitconfig
@@ -1,7 +1,11 @@
 [init]
     defaultBranch = main
 [alias]
-    mr = !sh -c 'git fetch $1 merge-requests/$2/head:mr-$1-$2 && git checkout mr-$1-$2' -
+    # use like this: git mr [REPO] [MERGE REQUEST]
+    # see https://stackoverflow.com/a/50834005 (GitLab)
+    # see https://gist.github.com/gnarf/5406589 (GitHub, modified to be similar to GitLab)
+    mr = !sh -c 'git fetch -fu $1 merge-requests/$2/head:mr-$1-$2 && git checkout mr-$1-$2' -
+    pr = !sh -c 'git fetch -fu $1 refs/pull/$2/head:pr-$1-$2 && git checkout pr-$1-$2' -
 [user]
     name = exu
     email = mrc@frm01.net