diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 0a0c0d6..ba92012 100755
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -362,7 +362,7 @@
 
 def runCommand(commandline):
     """
-    Run a command and raise RuntimeError if it fails. Output is surpressed
+    Run a command and raise RuntimeError if it fails. Output is suppressed
     unless the command fails.
     """
     fd = os.popen(commandline, 'r')