diff --git a/src/beamerthememoloch.dtx b/src/beamerthememoloch.dtx
index 8273d60..d869638 100644
--- a/src/beamerthememoloch.dtx
+++ b/src/beamerthememoloch.dtx
@@ -106,7 +106,7 @@
 %
 % To avoid generating externalized figures of the progressbar we have to disable
 % them with ``tikzexternalenable'' and ``tikzexternaldisable''. However, if the
-% ``external'' libray is not loaded we would get undefined control sequence
+% ``external'' library is not loaded we would get undefined control sequence
 % problems, hence we define them as no-ops if they are not defined yet.
 % We do the same for the ``mmzUnmemoizable'' command from the memoize package, in
 % order to avoid memoization of the progress bars.