tog man page: provide a hint about differences between Myers and Patience
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diff --git a/tog/tog.1 b/tog/tog.1
index 52b2067..30d0b7d 100644
--- a/tog/tog.1
+++ b/tog/tog.1
@@ -305,7 +305,8 @@ Find the Nth previous line which matches the current search pattern
Toggle display of whitespace-only changes.
.It Cm A
Change the diff algorithm.
-Supported diff algorithms are Myers and Patience.
+Supported diff algorithms are Myers (quick and dirty) and
+Patience (slow and tidy).
This is a global setting which also affects the
.Cm blame
view.
@@ -395,7 +396,8 @@ Find the Nth previous line which matches the current search pattern
(default: 1).
.It Cm A
Change the diff algorithm.
-Supported diff algorithms are Myers and Patience.
+Supported diff algorithms are Myers (quick and dirty) and
+Patience (slow and tidy).
This is a global setting which also affects the
.Cm diff
view.
@@ -584,7 +586,11 @@ work tree, use the repository path associated with this work tree.
.It Ev TOG_DIFF_ALGORITHM
Determines the default diff algorithm used by
.Nm .
-Valid values are
+Supported diff algorithms are Myers (quick and dirty) and
+Patience (slow and tidy).
+Valid values for
+.Ev TOG_DIFF_ALGORITHM
+are
.Dq patience
and
.Dq myers .