Update README.md

Author: rii-mango

README.md

@@ -2,7 +2,7 @@ JPEGLosslessDecoderJS
 =====
 A common DICOM compression format is JPEG Lossless.  This format is generally not supported in standard JPEG decoder libraries. 
 
-This decoder can read the following DICOM transfer syntaxes:
+This decoder can read data from the following DICOM transfer syntaxes:
 
 - 1.2.840.10008.1.2.4.57    JPEG Lossless, Nonhierarchical (Processes 14)
 - 1.2.840.10008.1.2.4.70    JPEG Lossless, Nonhierarchical (Processes 14 [Selection 1])