diff --git a/README.md b/README.md
index d4e3800..f2fb7d6 100644
--- a/README.md
+++ b/README.md
@@ -136,10 +136,10 @@ projects or build by itself.
| Option Name | Default | Description
| ------------ | -----: | ------
-| LIBRESSL_SKIP_INSTALL | OFF | allows skipping install() rules. Can be specified from command line using ```-DLIBRESSL_SKIP_INSTALL=ON```
+| LIBRESSL_SKIP_INSTALL | OFF | allows skipping install() rules. Can be specified from command line using ```‑DLIBRESSL_SKIP_INSTALL=ON```
| ENABLE_ASM | ON | builds assembly optimized rules.
| ENABLE_EXTRATESTS | OFF | Enable extra tests that may be unreliable on some platforms
| ENABLE_NC | OFF | Enable installing TLS-enabled nc(1)
| ENABLE_VSTEST | OFF | Enable test on Visual Studio
-| OPENSSLDIR | Blank | Set the default openssl directory. Can be specified from command line using ```-DOPENSSLDIR=```
+| OPENSSLDIR | Blank | Set the default openssl directory. Can be specified from command line using ```‑DOPENSSLDIR=```