diff --git a/README.md b/README.md
index d7d21a0..856e3b9 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ can run the following command
 
 #### Package options
 
-The `titleprogressbar` option adds a thin progress bar similar to the section
+The `usetitleprogressbar` option adds a thin progress bar similar to the section
 progress bar underneath *each* frame title
 
   ![Progressbar](http://i.imgur.com/4BXHU4K.png)
diff --git a/beamerthemem.sty b/beamerthemem.sty
index e44e849..2f32150 100644
--- a/beamerthemem.sty
+++ b/beamerthemem.sty
@@ -20,7 +20,7 @@
 \newlength{\@mtheme@voffset}
 \setlength{\@mtheme@voffset}{2em}
 
-\DeclareOptionBeamer{useTitleProgressBar}{\@useTitleProgressBartrue}
+\DeclareOptionBeamer{usetitleprogressbar}{\@useTitleProgressBartrue}
 \DeclareOptionBeamer{protectframetitle}{\@protectFrameTitletrue}
 \DeclareOptionBeamer{blockbg}{%
   \PassOptionsToPackage{blockbg}{beamercolorthememetropolis}%