README.md: Fix word order from comment in previous commit

Relates to #299.

Signed-off-by: Alexander Kriegisch <[email protected]>

README.md

@@ -26,7 +26,7 @@ In the root of a cloned AspectJ simply run:
 ```
 
 Please make sure that your project root directory name is either _aspectj_ (default for `git clone`) or _org.aspectj_ (case-insensitive), if you wish to run the build with tests.
-Some integration tests rely on this name when dynamically searching the up current path for the root folder.
+Some integration tests rely on this name when dynamically searching up the current path for the root folder.
 
 You can also use a reasonably recent (3.6.3+), locally installed Maven installation instead of the Maven wrapper script.