adjust font in two places in manual chapter on environment variables.

Author: jmellorcrummey

doc/manual/HPCToolkit-users-manual.pdf

@@ -198,7 +198,7 @@ \section{Environment Variables for Developers}
 dramatically slow measurement and the execution under study.
 
 \parg
-Flags to set debug flags with \hpcrun: \verb|-dd/--dynamic-debug| flag
+Flags to set debug flags with \hpcrun: \verb|-dd/--dynamic-debug| $flag$
 
 \paragraph{HPCRUN\_ABORT\_TIMEOUT}
 
@@ -235,6 +235,6 @@ \section{Environment Variables for Developers}
 For dynamically-linked executables, this environment variable must
 be set to the full path of a copy of HPCToolkit's hpcfnbounds
 utility. This utility is available at
-/path/to/hpctoolkit/libexec/hpctoolkit/hpcfnbounds.
+\verb|/path/to/hpctoolkit/libexec/hpctoolkit/hpcfnbounds|.