Fix some Guidebook.tex errors

doc/Guidebook.tex

@@ -2840,7 +2840,7 @@ That's done implicitly to avoid unnecessary tedium.
 
 %.pg
 The commands to use rings are `{\tt P}' (put on) and `{\tt R}' (remove).
-`{\tt A|', `{\tt W}', and `{\tt T}' can also be used; see {\it Amulets\/}.
+`{\tt A}', `{\tt W}', and `{\tt T}' can also be used; see {\it Amulets\/}.
 
 %.hn 2
 \subsection*{Spellbooks (`{\tt +}')}
@@ -3173,7 +3173,7 @@ diagonally.
 Other rules can, such as not smashing boulders with magic or tools,
 but doing so causes you to receive a luck penalty.
 No message about that is given at the time, but it is tracked as a conduct.
-The #conduct command and end of game disclosure will report whether
+The {\tt \#conduct} command and end of game disclosure will report whether
 you have abided by the special rules of Sokoban, and if not, how many
 times you violated them, providing you with a way to discover which
 actions incur bad luck so that you can be better informed about whether
@@ -3290,7 +3290,7 @@ Losing enough levels to revert to lower rank(s) does not discard the
 corresponding achievement(s).
 
 %.pg
-The ``special items'' hidden in {\it Mines'~End\/} and (\it Sokoban\/}
+The ``special items'' hidden in {\it Mines'~End\/} and {\it Sokoban\/}
 are not unique but are considered to be prizes or rewards
 for exploring those levels since doing so is not necessary to complete
 the game.
@@ -3363,7 +3363,7 @@ Empty lines are ignored.
 
 Any line beginning with `{\tt [}' and ending in `{\tt ]}'
 is a section marker (the closing `{\tt ]}' can be followed
-by whitespace and then an arbitrary comment beginning with `{\tt #}').
+by whitespace and then an arbitrary comment beginning with `{\tt \#}').
 The text between the square brackets is the section name.
 Section markers are only valid after a CHOOSE directive and their names
 are case insensitive.