small style fix in readme

README.md

@@ -9,27 +9,27 @@ Currently the indicator show CPU and RAM usage.
 You'll need the following dependencies:
 
 ```
-    libglib2.0-dev
-    libgranite-dev
-    libgtk-3-dev
-    libwingpanel-2.0-dev
-    meson
-    valac
+libglib2.0-dev
+libgranite-dev
+libgtk-3-dev
+libwingpanel-2.0-dev
+meson
+valac
 ```
 
 
 Run `meson` to configure the build environment and then `ninja` to build
 
 ```
-    meson build --prefix=/usr
-    cd build
-    ninja
+meson build --prefix=/usr
+cd build
+ninja
 ```
 
 To install, use `ninja install`
 
 ```
-    sudo ninja install
+sudo ninja install
 ```