diff --git a/README.md b/README.md
index 89728918c74cb6721fedba926bb81dfd6492f6b7..3d52f27d0745820b4d4a6089cf25ebbee5652900 100644
--- a/README.md
+++ b/README.md
@@ -63,15 +63,12 @@ following command:
 
 
 ```
-git reset --hard HEAD
+git stash save
 git pull origin master
+git stash pop
 ```
 
 
-> Note that this will overwrite any changes that you have made to the
-> files in your repository!
-
-
 Have fun!
 
 
diff --git a/getting_started/02_text_io.ipynb b/getting_started/02_text_io.ipynb
index a6333b9bd2166f98d9592727eaa1179a1a7ebd62..43ef0db4be79d6820bdd4e19e953e73f6bb0c53b 100644
--- a/getting_started/02_text_io.ipynb
+++ b/getting_started/02_text_io.ipynb
@@ -532,8 +532,8 @@
    "outputs": [],
    "source": [
     "a_string = 'abcdefghijklmnopqrstuvwxyz'\n",
-    "print(a_string[10])  # create a string containing only the 10th character\n",
-    "print(a_string[20:])  # create a string containing the 20th character onward\n",
+    "print(a_string[10])  # create a string containing only the 11th character\n",
+    "print(a_string[20:])  # create a string containing the 21st character onward\n",
     "print(a_string[::-1])  # creating the reverse string"
    ]
   },
@@ -654,8 +654,8 @@
    "source": [
     "### String formatting and regular expressions\n",
     "Given a template for MRI files:\n",
-    "s<subject_id>/<modality>_<res>mm.nii.gz\n",
-    "where <subject_id> is a 6-digit subject-id, <modality> is one of T1w, T2w, or PD, and <res> is the resolution of the image (up to one digits behind the dot, e.g. 1.5)\n",
+    "`s<subject_id>/<modality>_<res>mm.nii.gz`\n",
+    "where `<subject_id>` is a 6-digit subject-id, `<modality>` is one of T1w, T2w, or PD, and `<res>` is the resolution of the image (up to one digits behind the dot, e.g. 1.5)\n",
     "Write a function that takes the subject_id (as an integer), the modality (as a string), and the resolution (as a float) and returns the complete filename (Hint: use one of the formatting techniques mentioned in [String formatting](#string-formatting))."
    ]
   },
diff --git a/getting_started/02_text_io.md b/getting_started/02_text_io.md
index efc40b981b6595743ba99722dca923339e03adf7..afab42f8e05d1f2029d26ff4031ca1578b97394c 100644
--- a/getting_started/02_text_io.md
+++ b/getting_started/02_text_io.md
@@ -243,8 +243,8 @@ This code block will fail in fslpython, since it uses python 3.5.
 The simplest way to extract a sub-string is to use slicing
 ```
 a_string = 'abcdefghijklmnopqrstuvwxyz'
-print(a_string[10])  # create a string containing only the 10th character
-print(a_string[20:])  # create a string containing the 20th character onward
+print(a_string[10])  # create a string containing only the 11th character
+print(a_string[20:])  # create a string containing the 21st character onward
 print(a_string[::-1])  # creating the reverse string
 ```
 
@@ -306,8 +306,8 @@ with open(output_filename, 'w') as output_file:
 
 ### String formatting and regular expressions
 Given a template for MRI files:
-s<subject_id>/<modality>_<res>mm.nii.gz
-where <subject_id> is a 6-digit subject-id, <modality> is one of T1w, T2w, or PD, and <res> is the resolution of the image (up to one digits behind the dot, e.g. 1.5)
+`s<subject_id>/<modality>_<res>mm.nii.gz`
+where `<subject_id>` is a 6-digit subject-id, `<modality>` is one of T1w, T2w, or PD, and `<res>` is the resolution of the image (up to one digits behind the dot, e.g. 1.5)
 Write a function that takes the subject_id (as an integer), the modality (as a string), and the resolution (as a float) and returns the complete filename (Hint: use one of the formatting techniques mentioned in [String formatting](#string-formatting)).
 ```
 def get_filename(subject_id, modality, resolution):
@@ -320,4 +320,3 @@ def get_parameters(filename):
     ...
     return subject_id, modality, resolution
 ```
-