Fix some small markup nits.

Doc/lib/libpdb.tex

@@ -261,9 +261,9 @@ Set the next line that will be executed.  Only available in the
 bottom-most frame.  This lets you jump back and execute code
 again, or jump forward to skip code that you don't want to run.
 
-It should be noted that not all jumps are allowed -- for instance it
-is not possible to jump into the middle of a for loop or out of a
-finally clause.
+It should be noted that not all jumps are allowed --- for instance it
+is not possible to jump into the middle of a \keyword{for} loop or out
+of a \keyword{finally} clause.
 
 \item[l(ist) \optional{\var{first\optional{, last}}}]
 
@@ -280,8 +280,8 @@ Print the argument list of the current function.
 \item[p \var{expression}]
 
 Evaluate the \var{expression} in the current context and print its
-value.  (Note: \samp{print} can also be used, but is not a debugger
-command --- this executes the Python \keyword{print} statement.)
+value.  \note{\samp{print} can also be used, but is not a debugger
+command --- this executes the Python \keyword{print} statement.}
 
 \item[pp \var{expression}]