diff --git a/doc/go1.html b/doc/go1.html
index 75a309fe9e9..88fec19724d 100644
--- a/doc/go1.html
+++ b/doc/go1.html
@@ -1786,7 +1786,7 @@ The compiler will catch code using the old interface.
The regexp
package has been rewritten.
It has the same interface but the specification of the regular expressions
it supports has changed from the old "egrep" form to that of
-RE2.
+RE2.
diff --git a/doc/go1.tmpl b/doc/go1.tmpl
index 6551daefd2c..4e57ff48bfc 100644
--- a/doc/go1.tmpl
+++ b/doc/go1.tmpl
@@ -1671,7 +1671,7 @@ The compiler will catch code using the old interface.
The regexp
package has been rewritten.
It has the same interface but the specification of the regular expressions
it supports has changed from the old "egrep" form to that of
-RE2.
+RE2.