-# Always display the status line.
-hardstatus on
-# Display the name of the window and the current hostname.
-hardstatus alwayslastline "%w%=%H"
+# Always display the caption.
+caption always "%{= Bw}%3n %t"
+# %{= Bw} - white on light blue background, also reset all attributes
+# %3n - window number
+# %t - window name
+# Always display the status line with open windows and the hostname.
+hardstatus alwayslastline "%w%=%l %H"
+# %w - number and names of windows
+# %= - right align the following text
+# %l - load average
+# %H - hostname