diff --git a/stage0/README.md b/stage0/README.md
index b1f9a35776..357072a4aa 100644
--- a/stage0/README.md
+++ b/stage0/README.md
@@ -20,10 +20,17 @@ Quick test:
 
     ./zig-out/bin/zig build fmt-zig0 test-zig0
 
-Full test and static analysis with all supported compilers and valgrind (run
-before commit, takes a while):
+Static analysis (takes a while, run separately):
 
-    ./zig-out/bin/zig build all-zig0 -Dvalgrind
+    ./zig-out/bin/zig build lint-zig0
+
+More elaborate (tries all compilers + static analysis + ReleaseSafe):
+
+    ./zig-out/bin/zig build all-zig0 -Doptimize=ReleaseSafe
+
+Most elaborate, takes >10m:
+
+    ./zig-out/bin/zig build all-zig0 -Doptimize=ReleaseSafe -Dvalgrind |& grep -v Warning
 
 # Debugging tips