diff --git a/cpu-supplement/ephiphany.rst b/cpu-supplement/epiphany.rst
similarity index 100%
rename from cpu-supplement/ephiphany.rst
rename to cpu-supplement/epiphany.rst
diff --git a/cpu-supplement/index.rst b/cpu-supplement/index.rst
index f80373d..8de82a4 100644
--- a/cpu-supplement/index.rst
+++ b/cpu-supplement/index.rst
@@ -23,7 +23,7 @@ RTEMS CPU Architecture Supplement (|version|).
 	arm
 	atmel_avr
 	blackfin
-	ephiphany
+	epiphany
 	intel_amd_x86
 	lattice_micro32
 	renesas_m32c