Fixed Pats -> Paths

Build.md

@@ -18,7 +18,7 @@
 # Build procedure
 In general you have to do the following steps
 1. Install Dependencies
-2. Set-Up Environment, Pahs etc.
+2. Set-Up Environment, Paths etc.
 3. Install `linktest` with `make`, enable transport layers other than mpi
 4. [Optional] Install `linktest-report` via pip (Update PYTHONPATH or use virtual environments)
 5. [Optional] Install `pingponganalysis` with `make`