diff --git a/README.md b/README.md
index af73bf1..bfc9ad9 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ Would produce an output like this:
      ||||||||||||||| ||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||  | ||||||| |||||| |
     NCCTGAGAACAAGTGATGAAAGAAACTCATTCCTGTCTTTCAATGAGTGCTTATGTGCATTTAGGAGAACTAGGCAGCACAC--TCAGGGCTGCAAGATGGA
 
-In the event that the MD tag is not detected, or if an unsupported character is detected in the CIGAR, the program maintains the four-line periodicity of the output by printing the header output, an error message, and two blank lines.
+In the event that the MD tag is not detected & the CIGAR contains characters that require the MD tag to resolve, or if an unsupported character is detected in the CIGAR, the program maintains the four-line periodicity of the output by printing the header output, an error message, and two blank lines.
 
 
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