typo fixes

content/v2.0/reference/flux/functions/strings/_index.md

@@ -2,7 +2,7 @@
 title: Flux string functions
 description: >
   String functions provide tools for manipulating strings in Flux.
-  To use them, import the "strings" package:
+  To use them, import the "strings" package.
 menu:
   v2_0_ref:
     name: Strings

content/v2.0/reference/flux/functions/testing/_index.md

@@ -1,5 +1,5 @@
 ---
-title: Flux Testing functions
+title: Flux testing functions
 description: >
   Flux testing functions test piped-forward data in specific ways and return errors if the tests fail.
 menu:

content/v2.0/reference/flux/functions/testing/assertempty.md

@@ -9,7 +9,7 @@ menu:
 ---
 
 The `testing.assertEmpty()` function tests if an input stream is empty.
-If not empty, the function outputs an error.
+If not empty, the function returns an error.
 
 _**Function type:** Test_  
 

content/v2.0/reference/flux/functions/testing/assertequals.md

@@ -12,7 +12,7 @@ weight: 301
 
 The `testing.assertEquals()` function tests whether two streams have identical data.
 If equal, the function outputs the tested data stream unchanged.
-If unequal, the function outputs an error.
+If unequal, the function returns an error.
 
 ```js
 import "testing"