diff --git a/README.md b/README.md
index 7a52791..d26ecf8 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@
       - datasketches-postgresql
           - datasketches-cpp -> ../datasketches-cpp
 
-<h2>Building and intalling</h2>
+<h2>Building and installing</h2>
 
    - make
    - sudo make install