Fix typo in INSTALL.md
Signed-off-by: Henner Zeller <h.zeller@acm.org>
diff --git a/INSTALL.md b/INSTALL.md
index 48a194c..6c689f2 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -13,7 +13,7 @@
* Please install the following package updates:
- * sudo apt-get install build-essential pkg-config tcsh swig uuid-dev libgoogle-perftools-dev python3 python3-dev
+ * sudo apt-get install build-essential pkg-config tclsh swig uuid-dev libgoogle-perftools-dev python3 python3-dev
* If you don't intent to change the grammar:
* sudo apt-get install default-jre