diff --git a/gcc/config/alpha/alpha.md b/gcc/config/alpha/alpha.md
index bd92392878e22f224eee5484f33b88fbcba68801..e57a9d31e01353a439968e924834e24b5d799952 100644
--- a/gcc/config/alpha/alpha.md
+++ b/gcc/config/alpha/alpha.md
@@ -4201,7 +4201,7 @@
 })
 
 ;; For the unaligned byte and halfword cases, we use code similar to that
-;; in the ;; Architecture book, but reordered to lower the number of registers
+;; in the Architecture book, but reordered to lower the number of registers
 ;; required.  Operand 0 is the address.  Operand 1 is the data to store.
 ;; Operands 2, 3, and 4 are DImode temporaries, where operands 2 and 4 may
 ;; be the same temporary, if desired.  If the address is in a register,