diff --git a/Doc/lib/libdoctest.tex b/Doc/lib/libdoctest.tex
index a9ef835..e8983c9 100644
--- a/Doc/lib/libdoctest.tex
+++ b/Doc/lib/libdoctest.tex
@@ -411,7 +411,7 @@
 
 \begin{verbatim}
 >>> foo() == {"Hermione": "hippogryph", "Harry": "broomstick"}
-1
+True
 >>>
 \end{verbatim}
 
diff --git a/Doc/lib/liboperator.tex b/Doc/lib/liboperator.tex
index fbe14f5..e3aae60 100644
--- a/Doc/lib/liboperator.tex
+++ b/Doc/lib/liboperator.tex
@@ -249,7 +249,7 @@
 >>> import operator
 >>> o = C()
 >>> operator.isMappingType(o)
-1
+True
 \end{verbatim}
 
 \begin{funcdesc}{isCallable}{o}
diff --git a/Doc/lib/libpprint.tex b/Doc/lib/libpprint.tex
index 22ffd7b..66f64e2 100644
--- a/Doc/lib/libpprint.tex
+++ b/Doc/lib/libpprint.tex
@@ -111,7 +111,7 @@
 
 \begin{verbatim}
 >>> pprint.isreadable(stuff)
-0
+False
 \end{verbatim}
 \end{funcdesc}
 
diff --git a/Doc/lib/libweakref.tex b/Doc/lib/libweakref.tex
index 6536048..4600f0a 100644
--- a/Doc/lib/libweakref.tex
+++ b/Doc/lib/libweakref.tex
@@ -186,7 +186,7 @@
 >>> r = weakref.ref(o)
 >>> o2 = r()
 >>> o is o2
-1
+True
 \end{verbatim}
 
 If the referent no longer exists, calling the reference object returns