Update build instructions to make perl tests happy

diff --git a/INSTALL.md b/INSTALL.md
index 027e14e21d407592d1bffc8e240e6953d88d934b..dfd6670a246a195b5ba948f5200a8d67faede38d 100644 (file)
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -21,12 +21,12 @@ Instead of `Release` you can use `Debug`, `RelWithDebInfo` or `MinSizeRel` confi
 See [cmake docs](https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html) for details.
 You will find built binaries in `../bin` directory.
 
-If you want to build against a specific OpenSSL instance (you will need it if
-you have more than one OpenSSL instance for example), you can use the `cmake`
-variable `OPENSSL_ROOT_DIR` to specify absolute path of the desirable OpenSSL
-instance:
+If you want to build and run perl tests against a specific OpenSSL instance
+(you will need it if you have more than one OpenSSL instance for example), you
+can use the `cmake` variable `OPENSSL_ROOT_DIR` to specify absolute path of the
+desirable OpenSSL instance:
 
-    $ cmake -DOPENSSL_ROOT_DIR=/PATH/TO/OPENSSL/ ..
+    $ OPENSSL_ROOT_DIR=/PATH/TO/OPENSSL/ cmake -DOPENSSL_ROOT_DIR=/PATH/TO/OPENSSL/ ..
 
 If you use Visual Studio, you can also set `CMAKE_INSTALL_PREFIX` variable
 to set install path, like this: