diff --git a/calc.man b/calc.man
index caaec90..c8b9915 100644
--- a/calc.man
+++ b/calc.man
@@ -1512,7 +1512,7 @@ the following GitHub repo:
 https://github.com/lcn2/calc
 .in -0.5i
 .sp
-The very latest calc souece is found at the top master branch.
+The very latest calc source is found at the top master branch.
 
 .PP