diff --git a/HackRF-One.md b/HackRF-One.md
index 4f6dcf6..5bdd16b 100644
--- a/HackRF-One.md
+++ b/HackRF-One.md
@@ -97,4 +97,4 @@ The HackRF One expansion interface consists of headers P9, P20, P22, and P28.  T
 
 Refer to the schematics and component documentation for more information.
 
-Additional unpopulated headers and test points are available for test and development, but they may be incompatible with some enclosure options.
\ No newline at end of file
+Additional unpopulated headers and test points are available for test and development, but they may be incompatible with some enclosure or expansion options.
\ No newline at end of file