diff --git a/education/statistics/Probability.md b/education/statistics/Probability.md
index 32ff7ed..4ffe8a3 100644
--- a/education/statistics/Probability.md
+++ b/education/statistics/Probability.md
@@ -27,7 +27,7 @@ To find the probability of two independent events taking place, you can multiply
 p(a) * p(b) = p(both a and b taking place)
 ``` 
 
-To find the probability of one event or another event taking place, you can add the probability of those two events together
+To find the probability of one event or another event taking place, you can add the probability of those two events together, given they are mutually exclusive.
 ```
 p(a) + p(b) = p(a or b taking place)
 ```
@@ -38,7 +38,7 @@ If an event is influenced by other events, it is considered dependent. An exampl
 This is also known as conditional chance.
 
 ### Mutually Exclusive Events
-Mutually exclusive events are events that cannot both occur within a given set of measurements. An example of this might be flipping a coin and getting both heads and tails on the same toss. You can only add the chance of two events together if the events are mutually exc
+Mutually exclusive events are events that cannot both occur within a given set of measurements. An example of this might be flipping a coin and getting both heads and tails on the same toss. You can only add the chance of two events together if the events are mutually exclusive. 
 
 | Phrase | Definition |
 | ---- | ---- |