diff --git a/Notes-About-ccache.md b/Notes-About-ccache.md
index 5dd6fbd..eb94473 100644
--- a/Notes-About-ccache.md
+++ b/Notes-About-ccache.md
@@ -29,7 +29,7 @@ cmake -DUSE_CCACHE=OFF ..
 make -j
 #(...other steps that in compile guide...)
 ```
-### default behavior (off)
+### default behavior (off) (if you turned it on, this will became on until you turn it off again)
 ```
 #(...other steps that in compile guide...)
 mkdir build
@@ -58,7 +58,7 @@ cmake -G Ninja -DUSE_CCACHE=OFF ..
 ninja
 #(...other steps that in compile guide...)
 ```
-### default behavior (off)
+### default behavior (off) (if you turned it on, this will became on until you turn it off again)
 ```
 #(...other steps that in compile guide...)
 mkdir build