fix typo in IndepthTutorial.md

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/markdown/IndepthTutorial.md b/docs/markdown/IndepthTutorial.md
index edbbe55..957449d 100644
--- a/docs/markdown/IndepthTutorial.md
+++ b/docs/markdown/IndepthTutorial.md
@@ -65,7 +65,7 @@ there and execute it. The last few lines are a stanza to generate a
 `pkg-config` file. We'll skip that for now and come back to it at the
 end of this document.
 
-The first subdirectory we go into is `include`. In it we have a a
+The first subdirectory we go into is `include`. In it we have a
 header file for the library that we want to install. This requires one
 line.