Fix bugs

Colon wrongly placed and missing apostrophes

ontology/cl.md

@@ -84,10 +84,10 @@ usages:
     title: 'The human body at cellular resolution: the NIH Human Biomolecular Atlas Program.'
   type: annotation
   user: https://hubmapconsortium.org/
-- description: The single-cell transcriptomics platform CZ CELLxGENE uses CL to annotate all cell types. All datasets on CellXGene are annotated according to a standard schema that specifies the use of CL to record Cell Type: 
+- description: The single-cell transcriptomics platform CZ CELLxGENE uses CL to annotate all cell types. All datasets on CellXGene are annotated according to a standard schema that specifies the use of CL to record Cell Type. 
   publications:
   - id: https://doi.org/10.1101/2021.04.05.438318
-    title: CELLxGENE: a performant, scalable exploration platform for high dimensional sparse matrices
+    title: 'CELLxGENE: a performant, scalable exploration platform for high dimensional sparse matrices'
   type: annotation
   user: https://cellxgene.cziscience.com/
 - description: The Human Cell Atlas (HCA) is an international group of researchers using a combination of these new technologies to create cellular reference maps. The HCA use CL to annotate cells in their reference maps.