fix typos

Author: andrewelamb

docs/explanations/manifest_csv.md

@@ -22,7 +22,7 @@ The format of the manifest file is a comma-separated value (CSV) file with one r
 ### Standard fields
 
 These columns are recognized by `sync_to_synapse` and have specific meaning. Any of these columns may be present in the manifest but only `path` and `parentId` are required for upload.
-Each of these are individual examples and is what you would find in a row in each of these columns. To clarify, "syn1235;/path/to_local/file.txt" below states that you would like both "syn1234" and "/path/to_local/file.txt" added as items used to generate a file. You can also specify one item by specifying "syn1234"
+Each of these are individual examples and is what you would find in a row in each of these columns. To clarify, "syn1235;/path/to_local/file.txt" below states that you would like both "syn1235" and "/path/to_local/file.txt" added as items used to generate a file. You can also specify one item by specifying "syn1234"
 
 | Field               | Meaning                                    | Example                                      |
 |---------------------|--------------------------------------------|----------------------------------------------|
@@ -99,7 +99,7 @@ The CSV manifest format is shared across multiple tools:
 | Synapse UI download cart                                 | manifest.csv                    |
 | CLI `synapse get-download-list`                          | `manifest_<timestamp>.csv`      |
 
-A manifest generated by any of these sources can be used as input to `sync_to_synapse`, provided the `path` column is present with valid local file paths. Manifests from the Synapse UI  not include a `path` column by default, so users must add it before uploading.
+A manifest generated by any of these sources can be used as input to `sync_to_synapse`, provided the `path` column is present with valid local file paths. Manifests from the Synapse UI do not include a `path` column by default, so users must add it before uploading.
 
 ### Example manifest file