diff --git a/docs/gbz80.7.html b/docs/gbz80.7.html
index 3947d694..851b517b 100644
--- a/docs/gbz80.7.html
+++ b/docs/gbz80.7.html
@@ -1570,8 +1570,8 @@ Bytes: 2
 <div class="Pp"></div>
 Flags: See <a class="Sx" title="Sx" href="#SRA_r8">SRA r8</a>
 <h2 class="Ss" title="Ss" id="STOP"><a class="selflink" href="#STOP">STOP</a></h2>
-Enter CPU very low power mode. Also used to switch between doube speed and
-  normal CPU modes in GBC.
+Enter CPU very low power mode. Also used to switch between double and normal
+  speed CPU modes in GBC.
 <div class="Pp"></div>
 Cycles: -
 <div class="Pp"></div>
diff --git a/src/gbz80.7 b/src/gbz80.7
index 9d6ba928..06b88af3 100644
--- a/src/gbz80.7
+++ b/src/gbz80.7
@@ -1669,7 +1669,7 @@ Flags: See
 .Sx SRA r8
 .Ss STOP
 Enter CPU very low power mode.
-Also used to switch between doube speed and normal CPU modes in GBC.
+Also used to switch between double and normal speed CPU modes in GBC.
 .Pp
 Cycles: -
 .Pp