fix typo

Signed-off-by: Dusty DeWeese <dustin.deweese@gmail.com>
diff --git a/vpr/src/base/vpr_context.h b/vpr/src/base/vpr_context.h
index 8f61be4..40a81bb 100644
--- a/vpr/src/base/vpr_context.h
+++ b/vpr/src/base/vpr_context.h
@@ -158,7 +158,7 @@
     int num_arch_switches;
     t_arch_switch_inf* arch_switch_inf; /* [0..(num_arch_switches-1)] */
 
-    // Clock Newtworks
+    // Clock Networks
     std::vector<std::unique_ptr<ClockNetwork>> clock_networks;
     std::vector<std::unique_ptr<ClockConnection>> clock_connections;