diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6f348c48..c5f5feab 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,28 +2,28 @@ Please always report problems by filling an issue here on GitHub. This also cove
 
 **General rules:** 
 
-    1. the code style suggestions of PyCharm should be followed
+1. The code style suggestions of PyCharm should be followed.
 
 **Job general:** 
 
-    1. If a class inherits directly/indirectly from the sisyphus class `Job` the class ends with "Job".
-    2. In a Sisyphus job class the output variables start with `out_*`
-    3. If a Job has non-trivial requirements it should have a `self.rqmt`
+1. If a class inherits directly/indirectly from the sisyphus class `Job` the class ends with "Job".
+2. In a Sisyphus job class the output variables start with `out_*`.
+3. If a Job has non-trivial requirements it should have a `self.rqmt`.
 
 **Job constructor order:** 
 
-    1. set inputs
-    2. set outputs (should be prefixed with `out_`)
-    3. define rqmt
+1. set inputs
+2. set outputs (should be prefixed with `out_`)
+3. define rqmt
 
 **Job function order:** 
 
-    1. `__init__`
-    2. `tasks()`
-    3. task functions
-    4. helper functions
-    5. class functions
-    6. `__hash__`
+1. `__init__`
+2. `tasks()`
+3. task functions
+4. helper functions
+5. class functions
+6. `__hash__`
 
 Rasr-Jobs:
 should always accept `crp`, `extra_config` + `extra_post_config`
@@ -33,22 +33,22 @@ as last parameter in the `__init__()` definition.
 
 **Import order:** 
 
-    1. standard library
-    2. external libraries (including sisyphus, yes I know it's not like that atm)
-    3. recipies
+1. standard library
+2. external libraries (including sisyphus, yes I know it's not like that atm)
+3. recipies
 
 **Some general things:**
 
-    1. Don't break a jobs hash
-    2. Really don't break a jobs hash
-    3. very strong preference to avoid config files / scripts in the recipe repo itself. Everything should be code
-    4. Jobs have to be deterministic. Especially the code in the Job itself and the computed output (files). If this is not possible at all, please add a clear warning.
-    5. `sh` function should definitely not be used
+1. Don't break a job's hash.
+2. Really don't break a job's hash.
+3. Very strong preference to avoid config files / scripts in the recipe repo itself. Everything should be code.
+4. Jobs have to be deterministic. Especially the code in the Job itself and the computed output (files). If this is not possible at all, please add a clear warning.
+5. `sh` function should definitely not be used.
 
 [Black](https://github.com/psf/black) formatting:
 
-The check for black formating is a fixed test case that will automatically run for new pull requests.
-To prohibit errors before commiting,
+The check for black formatting is a fixed test case that will automatically run for new pull requests.
+To prohibit errors before committing,
 it is recommended to add a git hook that will automatically perform the check before submission.
 
 Create an executable `.git/hooks/pre-commit` with: