fix typo

2-ObjectProgramming/4b-TP.ipynb

@@ -167,7 +167,7 @@
     "At the moment, we will renege the sound principle of separating the functionalities (humour me for the moment...) and this function will:\n",
     "\n",
     "* Take as arguments the number of bits, the exact actual number (obtained through usual floating-point arithmetic) and the approximation of this number through our representation.\n",
-    "* Compute the error with a resolution also given as argument ((i.e. the maximum index against which error is expressed - 100 and 1000 respectively up to now).\n",
+    "* Compute the error with a resolution also given as argument (i.e. the maximum index against which error is expressed - 100 and 1000 respectively up to now).\n",
     "\n",
     "However there are subtleties in the way the lines are displayed: the parts in red is supplementary text that\n",
     "\n",
@@ -206,14 +206,14 @@
   "kernelspec": {
    "display_name": "C++17",
    "language": "C++17",
-   "name": "xeus-cling-cpp17"
+   "name": "xcpp17"
   },
   "language_info": {
    "codemirror_mode": "text/x-c++src",
    "file_extension": ".cpp",
    "mimetype": "text/x-c++src",
    "name": "c++",
-   "version": "-std=c++17"
+   "version": "17"
   },
   "latex_envs": {
    "LaTeX_envs_menu_present": true,