Add build parameter to start at a specific exercise

1 files changed, 7 insertions, 1 deletions

diff --git a/README.md b/README.md
index 4336743..5385cff 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ reading these.
 ## A Note About Versions
 
 **Hint:** To check out Ziglings for a stable release of Zig, you can use
-the appropriate tag. 
+the appropriate tag.
 
 The Zig language is under very active development. In order to be
 current, Ziglings tracks **development** builds of the Zig
@@ -128,6 +128,12 @@ It can be handy to check just a single exercise:
 zig build -Dn=19
 ```
 
+Or run all exercises, starting from a specific one:
+
+```
+zig build -Ds=27
+```
+
 Or let Ziglings pick an exercise for you:
 
 ```