diff --git a/README.md b/README.md
index a0008b5..863c698 100644
--- a/README.md
+++ b/README.md
@@ -383,12 +383,12 @@ Some extensions have special requirements:
 |---|---|
 | <a name="special-requirements-for-geos"></a>geos | &bull; Not available in `alpine3.7` docker images<br />&bull; Not available in `alpine3.8` docker images<br />&bull; Not available in `alpine3.9` docker images<br />&bull; Not available in `alpine3.10` docker images |
 | <a name="special-requirements-for-memprof"></a>memprof | Not available in `alpine` docker images |
-| <a name="special-requirements-for-parallel"></a>parallel | Requires images with PHP compiled with thread-safety enabled (`zts`). |
+| <a name="special-requirements-for-parallel"></a>parallel | Requires images with PHP compiled with thread-safety enabled (`zts`) |
 | <a name="special-requirements-for-parle"></a>parle | Not available in `jessie` docker images |
-| <a name="special-requirements-for-pdo_sqlsrv"></a>pdo_sqlsrv | &bull; Not available in `alpine3.7` docker images<br />&bull; Not available in `alpine3.8` docker images<br />&bull; Not available in ARM architectures. |
-| <a name="special-requirements-for-pthreads"></a>pthreads | Requires images with PHP compiled with thread-safety enabled (`zts`). |
+| <a name="special-requirements-for-pdo_sqlsrv"></a>pdo_sqlsrv | &bull; Not available in `alpine3.7` docker images<br />&bull; Not available in `alpine3.8` docker images<br />&bull; Not available in ARM architectures |
+| <a name="special-requirements-for-pthreads"></a>pthreads | Requires images with PHP compiled with thread-safety enabled (`zts`) |
 | <a name="special-requirements-for-sodium"></a>sodium | Not available in `jessie` docker images |
-| <a name="special-requirements-for-sqlsrv"></a>sqlsrv | &bull; Not available in `alpine3.7` docker images<br />&bull; Not available in `alpine3.8` docker images<br />&bull; Not available in `7.1-alpine3.9` docker images<br />&bull; Not available in `7.1-alpine3.10` docker images<br />&bull; Not available in ARM architectures. |
+| <a name="special-requirements-for-sqlsrv"></a>sqlsrv | &bull; Not available in `alpine3.7` docker images<br />&bull; Not available in `alpine3.8` docker images<br />&bull; Not available in `7.1-alpine3.9` docker images<br />&bull; Not available in `7.1-alpine3.10` docker images<br />&bull; Not available in ARM architectures |
 | <a name="special-requirements-for-tensor"></a>tensor | Not available in `alpine3.15` docker images |
 | <a name="special-requirements-for-vips"></a>vips | &bull; Not available in `alpine3.7` docker images<br />&bull; Not available in `alpine3.8` docker images<br />&bull; Not available in `alpine3.9` docker images<br />&bull; Not available in `jessie` docker images |
 <!-- END OF SPECIAL REQUIREMENTS -->