[clkmgr] minor template and hjson updates.

Signed-off-by: Timothy Chen <timothytim@google.com>
diff --git a/util/topgen.py b/util/topgen.py
index 7fb01e7..abb7cab 100755
--- a/util/topgen.py
+++ b/util/topgen.py
@@ -540,7 +540,7 @@
 
     # hint clocks dict
     for clk, src in hints.items():
-        # the clock if constructed as clk_{src_name}_{module_name}.
+        # the clock is constructed as clk_{src_name}_{module_name}.
         # so to get the module name we split from the right and pick the last entry
         hint_clks[clk] = OrderedDict()
         hint_clks[clk]['name'] = (clk.rsplit('_', 1)[-1])