Proof reading: intro to r control flow

Author: liamjberrisford

individual_modules/introduction_to_r/control_flow.ipynb

@@ -218,7 +218,7 @@
    "id": "d8a4a1c1-8946-435d-ac04-6d4731cefea6",
    "metadata": {},
    "source": [
-    "This is shorter---certainly shorter than something that prints every character in a hundred-letter string---and more robust as well:"
+    "This is shorter---certainly shorter than something that prints every character in a hundred-letter string---and more robust as well."
    ]
   },
   {
@@ -241,7 +241,7 @@
    "id": "c457c646-5d4e-486c-a236-1c4995d0aa80",
    "metadata": {},
    "source": [
-    "We can name the loop variable anything we like (with a few (restrictions)[http://cran.r-project.org/doc/manuals/R-intro.html#R-commands_003b-case-sensitivity-etc], e.g. the name of the variable cannot start with a digit). `in` is part of the `for` syntax. Note that the body of the loop is enclosed in curly braces `{ }`. For a single-line loop body, as here, the braces aren't needed, but it is good practice to include them as we did.\n",
+    "We can name the loop variable anything we like (with a few [restrictions](http://cran.r-project.org/doc/manuals/R-intro.html#R-commands_003b-case-sensitivity-etc), e.g. the name of the variable cannot start with a digit). `in` is part of the `for` syntax. Note that the body of the loop is enclosed in curly braces `{ }`. For a single-line loop body, as here, the braces aren't needed, but it is good practice to include them, as we did.\n",
     "\n",
     "Here's another loop that repeatedly updates a variable:"
    ]

individual_modules/introduction_to_r/manipulating_data.ipynb

@@ -1052,7 +1052,7 @@
     "\n",
     "* Rename the columns of ```iris``` by prefixing with the word \"flower\" and the separator \"_\"\n",
     "* In your copy, duplicate the ```Species``` column\n",
-    "* Add a column to your copy which contains the numbers from 4 to 600 increasing by 4 each time"
+    "* Add a column to your copy which contains the numbers from 4 to 600 increasing by 4 each time."
    ]
   },
   {