diff --git a/talk/objectorientation/constructors.tex b/talk/objectorientation/constructors.tex
index 6497cacd..42074c96 100644
--- a/talk/objectorientation/constructors.tex
+++ b/talk/objectorientation/constructors.tex
@@ -274,11 +274,11 @@
         struct B {
           int a;
           float b;
-          // no constructor declared!
+          // no constructor
         };
       \end{cppcode*}
     \end{multicols}
-    \begin{cppcode*}{gobble=2, firstnumber=12}
+    \begin{cppcode*}{gobble=2, firstnumber=13}
       A a{1,2};       // A::A(int, int)
       A a{1};         // A::A(int)
       A a{};          // A::A()
@@ -307,11 +307,11 @@
         struct B {
           int a;
           float b;
-          // no constructor declared!
+          // no constructor
         };
       \end{cppcode*}
     \end{multicols}
-    \begin{cppcode*}{gobble=2, firstnumber=12}
+    \begin{cppcode*}{gobble=2, firstnumber=13}
       A a(1,2);       // A::A(int, int)
       A a(1);         // A::A(int)
       A a();          // declaration of a function !
diff --git a/talk/objectorientation/static.tex b/talk/objectorientation/static.tex
index 52dcf448..f4208a56 100644
--- a/talk/objectorientation/static.tex
+++ b/talk/objectorientation/static.tex
@@ -14,10 +14,10 @@
     public:
       static std::string upper(std::string) {...}
     private:
-      static int s_nbCallsToUpper; // add `inline` in C++17
+      static int callsToUpper; // add `inline` in C++17
     };
-    int Text::s_nbCallsToUpper = 0; // required before C++17
+    int Text::callsToUpper = 0; // required before C++17
     std::string uppers = Text::upper("my text");
-    // now Text::s_nbCallsToUpper is 1
+    // now Text::callsToUpper is 1
   \end{cppcode}
 \end{frame}