update man page

data/yad.1

@@ -134,7 +134,7 @@ Set the maximum dialog text width in characters.
 Set type of dialog text justification. \fITYPE\fP may be \fIleft\fP, \fIright\fP, \fIcenter\fP or \fIfill\fP.
 .TP
 .B \-\-image=\fIIMAGE\fP
-Set the dialog image which appears on the left side of dialog.
+Set the dialog image which appears on the left side of dialog`s text.
 \fIIMAGE\fP might be file name or icon name from current icon theme.
 .TP
 .B \-\-icon-theme=\fITHEME\fP