diff --git a/README_INSTALL.txt b/README_INSTALL.txt
index a7eb1f6..8b678af 100644
--- a/README_INSTALL.txt
+++ b/README_INSTALL.txt
@@ -4,7 +4,7 @@ Building on Windows:
 	1.	In a CMD window, type:
 			c:\Python27\python.exe setup.py py2exe
 	2.	Copy the GUI folder from the root directory into dist\.
-	3.	The executable is in dist\lightningbeam.exe. You probably do need most if the DLL's, I haven't
+	3.	The executable is in dist\lightningbeam.exe. You probably do need most of the DLL's, I haven't
 		gone through them yet.
 
 Building on Ubuntu/Debian: