Update documentation

Author: pkck28

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@@ -6,7 +6,7 @@
    "source": [
     "# Constrained Expected Improvement\n",
     "\n",
-    "This section demonstrates constrained Expected Improvement (EI) which is a widely used criteria for performing constrained balanced exploration and exploitation. The next infill point is obtained by maximizing EI while taking into account the constraints. The optimization problem is written as\n",
+    "This section demonstrates constrained Expected Improvement (EI) which is one of the methods for performing constrained balanced exploration and exploitation. The next infill point is obtained by maximizing EI while taking into account the constraints. The optimization problem is written as\n",
     "\n",
     "$$\n",
     "    \\begin{align*}\n",

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@@ -12,6 +12,7 @@
     "1. Constrained Exploitation\n",
     "2. Constrained Exploration\n",
     "3. Constrained Expected Improvement\n",
+    "4. Probability of Feasibility\n",
     "\n",
     "To demonstrate the working of these methods, constrained version of **Modified Branin function**, which is written as\n",
     "\n",
@@ -167,7 +168,7 @@
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+   "display_name": "sm",
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@@ -181,7 +182,7 @@
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