Many small edits.
diff --git a/man/man1/cat.1 b/man/man1/cat.1
index f758beb..0738206 100644
--- a/man/man1/cat.1
+++ b/man/man1/cat.1
@@ -17,7 +17,7 @@
 .I file ...
 ]
 .br
-nobs
+.B nobs
 [
 .I file ...
 ]