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diff --git a/utilities/identify.1.in b/utilities/identify.1.in
index fd17928b5a3f6a176048399b2923bc1136047590..91fba829bf152355a97bf10887a4e7996060100b 100644 (file)
--- a/utilities/identify.1.in
+++ b/utilities/identify.1.in
@@ -56,6 +56,8 @@ Miscellaneous Options:
   \-version             print version information
 
 By default, the image format of `file' is determined by its magic number.  To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps).  Specify 'file' as '-' for standard input or output.
+.SH NOTE
+Although some options appear to modify the file to be identified, the identify command is strictly \fBread only\fP. For instance, the crop option crops the in-memory image and then describes the result.
 .SH SEE ALSO
 ImageMagick(1)