diff --git a/doc/install-source.html b/doc/install-source.html
index 1cc22305bd02ce..e24a1e570281c7 100644
--- a/doc/install-source.html
+++ b/doc/install-source.html
@@ -446,7 +446,7 @@ <h2 id="environment">Optional environment variables</h2>
 
 <p>
 Choices for <code>$GOOS</code> are
-<code>darwin</code> (Mac OS X 10.7 and above and iOS), <code>dragonfly</code>, <code>freebsd</code>,
+<code>darwin</code> (Mac OS X 10.8 and above and iOS), <code>dragonfly</code>, <code>freebsd</code>,
 <code>linux</code>, <code>netbsd</code>, <code>openbsd</code>,
 <code>plan9</code>, <code>solaris</code> and <code>windows</code>.
 Choices for <code>$GOARCH</code> are
diff --git a/doc/install.html b/doc/install.html
index 01681f4d86a981..1305c970e31375 100644
--- a/doc/install.html
+++ b/doc/install.html
@@ -49,7 +49,7 @@ <h2 id="requirements">System requirements</h2>
 <tr><td colspan="3"><hr></td></tr>
 <tr><td>FreeBSD 8-STABLE or later</td> <td>amd64</td> <td>Debian GNU/kFreeBSD not supported</td></tr>
 <tr><td>Linux 2.6.23 or later with glibc</td> <td>amd64, 386, arm</td> <td>CentOS/RHEL 5.x not supported</td></tr>
-<tr><td>Mac OS X 10.7 or later</td> <td>amd64</td> <td>use the clang or gcc<sup>&#8224;</sup> that comes with Xcode<sup>&#8225;</sup> for <code>cgo</code> support</td></tr>
+<tr><td>Mac OS X 10.8 or later</td> <td>amd64</td> <td>use the clang or gcc<sup>&#8224;</sup> that comes with Xcode<sup>&#8225;</sup> for <code>cgo</code> support</td></tr>
 <tr><td>Windows XP or later</td> <td>amd64, 386</td> <td>use MinGW gcc<sup>&#8224;</sup>. No need for cygwin or msys.</td></tr>
 </table>