diff --git a/Notes-About-ccache.md b/Notes-About-ccache.md
index e7522ff..5dd6fbd 100644
--- a/Notes-About-ccache.md
+++ b/Notes-About-ccache.md
@@ -13,57 +13,57 @@ If you are aware of these issue and you are sure you are able to realized them,
 ## for make: 
 ### turn on
 ```
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 mkdir build
 cd build
 cmake -DUSE_CCACHE=ON ..   
 make -j
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 ```
 ### turn off
 ```
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 mkdir build
 cd build
 cmake -DUSE_CCACHE=OFF ..   
 make -j
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 ```
 ### default behavior (off)
 ```
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 mkdir build
 cd build
 cmake ..   
 make -j
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 ```
 
 ## for ninja:
 ### turn on
 ```
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 mkdir build
 cd build
 cmake -G Ninja -DUSE_CCACHE=ON .. 
 ninja
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 ```
 ### turn off
 ```
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 mkdir build
 cd build
 cmake -G Ninja -DUSE_CCACHE=OFF .. 
 ninja
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 ```
 ### default behavior (off)
 ```
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 mkdir build
 cd build
 cmake -G Ninja .. 
 ninja
-(...other steps that in compile guide...)
+#(...other steps that in compile guide...)
 ```
\ No newline at end of file