diff --git a/slides/k8s/operators-design.md b/slides/k8s/operators-design.md
index 6540f4c5..b181c3db 100644
--- a/slides/k8s/operators-design.md
+++ b/slides/k8s/operators-design.md
@@ -32,7 +32,7 @@
 
   - must be able to anticipate all the events that might happen
 
-  - design will be better only to the extend of what we anticipated
+  - design will be better only to the extent of what we anticipated
 
   - hard to anticipate if we don't have production experience
 
diff --git a/slides/k8s/operators.md b/slides/k8s/operators.md
index 46eb526d..0c841865 100644
--- a/slides/k8s/operators.md
+++ b/slides/k8s/operators.md
@@ -386,4 +386,4 @@ We should see at least one index being created in cerebro.
 
 - What if we want different images or parameters for the different nodes?
 
-*Operators can be very powerful, iff we know exactly the scenarios that they can handle.*
+*Operators can be very powerful, if we know exactly the scenarios that they can handle.*
diff --git a/slides/k8s/statefulsets.md b/slides/k8s/statefulsets.md
index 9692eef0..6c7c15a9 100644
--- a/slides/k8s/statefulsets.md
+++ b/slides/k8s/statefulsets.md
@@ -345,7 +345,7 @@ spec:
 we figure out the minimal command-line to run our Consul cluster.*
 
 ```
-consul agent -data=dir=/consul/data -client=0.0.0.0 -server -ui \
+consul agent -data-dir=/consul/data -client=0.0.0.0 -server -ui \
        -bootstrap-expect=3 \
        -retry-join=`X.X.X.X` \
        -retry-join=`Y.Y.Y.Y`