2 files changed, 2 insertions, 2 deletions

diff --git a/listbas.1 b/listbas.1
index c763a56..df39d20 100644
--- a/listbas.1
+++ b/listbas.1
@@ -61,7 +61,7 @@ Atari BASIC.
 OSS BASIC/A+.
 .TP
 .B \fB\-bi\fP
-OSS Integer BASIC.
+OSS Integer BASIC (\fInot\fP to be confused with Apple II Integer BASIC!).
 .TP
 .B \fB\-bt\fP
 Turbo BASIC XL.
diff --git a/listbas.rst b/listbas.rst
index a90a645..3e33490 100644
--- a/listbas.rst
+++ b/listbas.rst
@@ -44,7 +44,7 @@ BASIC options
     OSS BASIC/A+.
 
   **-bi**
-    OSS Integer BASIC.
+    OSS Integer BASIC (*not* to be confused with Apple II Integer BASIC!).
 
   **-bt**
     Turbo BASIC XL.