diff --git a/free.1 b/free.1
index cc690041..203ca613 100644
--- a/free.1
+++ b/free.1
@@ -19,9 +19,9 @@ switch displays it in megabytes.
 .PP
 The \fB-t\fP switch displays a line containing the totals.
 .PP
-The \fB-o\fP switch disables the display of a "buffer adjusted" line. Unless
-specified \fBfree\fP subtracts/adds buffer memory from/to the used/free memory
-reports (respectively!).
+The \fB-o\fP switch disables the display of a "buffer adjusted" line.
+If the -o option is not specified, \fBfree\fP subtracts buffer memory
+from the used memory and adds it to the free memory reported.
 .PP
 The \fB-s\fP switch activates continuous polling \fIdelay\fP seconds apart. You
 may actually specify any floating point number for \fIdelay\fP,