[docs] Replace incorrect instances of defined with define (mui#25572)

surajpoddar16 · web-flow · commit b88c496cc982 · 2021-04-02T10:38:40.000+02:00
diff --git a/docs/src/pages/customization/breakpoints/breakpoints.md b/docs/src/pages/customization/breakpoints/breakpoints.md
@@ -255,7 +255,7 @@ type Breakpoint = 'xs' | 'sm' | 'md' | 'lg' | 'xl';
 Some implementation details that might be interesting to being aware of:
 
 - It forwards _non React static_ properties so this HOC is more "transparent".
-  For instance, it can be used to defined a `getInitialProps()` static method (next.js).
+  For instance, it can be used to define a `getInitialProps()` static method (next.js).
 
 #### Arguments
 
diff --git a/docs/src/pages/styles/api/api.md b/docs/src/pages/styles/api/api.md
@@ -288,7 +288,7 @@ Some implementation details that might be interesting to being aware of:
 - It forwards refs to the inner component.
 - The `innerRef` prop is deprecated. Use `ref` instead.
 - It does **not** copy over statics.
-  For instance, it can be used to defined a `getInitialProps()` static method (next.js).
+  For instance, it can be used to define a `getInitialProps()` static method (next.js).
 
 ### Arguments
 
