diff --git a/tests/example/simple/README.md b/tests/example/simple/README.md
index b31f14a..a9d95ad 100644
--- a/tests/example/simple/README.md
+++ b/tests/example/simple/README.md
@@ -1 +1 @@
-a simple c program which can run on tinyriscv.
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+Simple c program which add  from 1 to 100.
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diff --git a/tests/example/timer_int/README.md b/tests/example/timer_int/README.md
index b31f14a..0f5f1ba 100644
--- a/tests/example/timer_int/README.md
+++ b/tests/example/timer_int/README.md
@@ -1 +1 @@
-a simple c program which can run on tinyriscv.
\ No newline at end of file
+Simple c program which can verify interrupt function.
\ No newline at end of file