docs: fixed changelog, some grammer changes and removal of some usele…

…ss known words

Signed-off-by: qthompso <[email protected]>

CHANGELOG.md

@@ -16,7 +16,7 @@ Valid subsections within a version are:
 
 ## Unreleased
 
----
+- Things to be included in the next release go here.
 
 ### Added
 

docs/advanced/signal_generators.md

@@ -521,7 +521,7 @@ _AWG5200 Constraints_
 
 ##### Sequential, Blocking and Overlapping Commands:
 
-The AWG5200's programming commands are separated into three seperated categories: Sequential, Blocking, and Overlapping.
+The AWG5200's programming commands are separated into three separated categories: Sequential, Blocking, and Overlapping.
 The type of command is important to consider, as using them in an incorrect order can lead to unintended results.
 
 Sequential commands function as standard [PI](default:PI) commands. They will not start until the previous command has finished. These commands
@@ -556,7 +556,7 @@ not set.
 #### AWG70KA, AWG70KB
 
 The AWG70K series instruments are signal generators focused on waveform generation.
-These instruments operate on the Windows operating system, and they accept communication through 
+These instruments operate on the Windows operating system, and they accept communication through
 [USB](default:USB), [TCPIP](default:TCPIP), and [GPIB](default:GPIB) interfaces.
 
 `set_output_signal_path()` is uniquely defined within the

docs/known_words.txt

@@ -5,7 +5,6 @@ alias_usage
 api
 artifact
 artifacts
-autoclasstree
 autocomplete
 awgs
 backend
@@ -51,7 +50,6 @@ licensor
 linter
 linters
 linting
-literalinclude
 mailto
 md
 mixin