diff --git a/sigs/DCCB2C.SIG b/sigs/dccb2c.sig
similarity index 100%
rename from sigs/DCCB2C.SIG
rename to sigs/dccb2c.sig
diff --git a/sigs/DCCB2L.SIG b/sigs/dccb2l.sig
similarity index 100%
rename from sigs/DCCB2L.SIG
rename to sigs/dccb2l.sig
diff --git a/sigs/DCCB3C.SIG b/sigs/dccb3c.sig
similarity index 100%
rename from sigs/DCCB3C.SIG
rename to sigs/dccb3c.sig
diff --git a/sigs/DCCB3M.SIG b/sigs/dccb3m.sig
similarity index 100%
rename from sigs/DCCB3M.SIG
rename to sigs/dccb3m.sig
diff --git a/sigs/DCCM5L.SIG b/sigs/dccm5l.sig
similarity index 100%
rename from sigs/DCCM5L.SIG
rename to sigs/dccm5l.sig
diff --git a/sigs/DCCM5S.SIG b/sigs/dccm5s.sig
similarity index 100%
rename from sigs/DCCM5S.SIG
rename to sigs/dccm5s.sig
diff --git a/sigs/DCCM8L.SIG b/sigs/dccm8l.sig
similarity index 100%
rename from sigs/DCCM8L.SIG
rename to sigs/dccm8l.sig
diff --git a/sigs/DCCM8M.SIG b/sigs/dccm8m.sig
similarity index 100%
rename from sigs/DCCM8M.SIG
rename to sigs/dccm8m.sig
diff --git a/sigs/DCCM8S.SIG b/sigs/dccm8s.sig
similarity index 100%
rename from sigs/DCCM8S.SIG
rename to sigs/dccm8s.sig
diff --git a/sigs/DCCT3P.SIG b/sigs/dcct3p.sig
similarity index 100%
rename from sigs/DCCT3P.SIG
rename to sigs/dcct3p.sig
diff --git a/sigs/DCCT4P.SIG b/sigs/dcct4p.sig
similarity index 100%
rename from sigs/DCCT4P.SIG
rename to sigs/dcct4p.sig
diff --git a/sigs/DCCT5P.SIG b/sigs/dcct5p.sig
similarity index 100%
rename from sigs/DCCT5P.SIG
rename to sigs/dcct5p.sig