Merge pull request #825 from GenomicsStandardsConsortium/566-update-d…

…efinitions-for-size-frac

correct description of `size_frac_low` and `size_frac_up`

src/mixs/schema/mixs.yaml

@@ -12219,8 +12219,7 @@ slots:
   size_frac_low:
     annotations:
       Preferred_unit: micrometer
-    description: Refers to the mesh/pore size used to pre-filter/pre-sort the sample.
-      Materials larger than the size threshold are excluded from the sample
+    description: Refers to the mesh/pore size used to pre-filter/pre-sort the sample. Materials smaller than the size threshold are excluded from the sample
     title: size-fraction lower threshold
     examples:
       - value: 0.2 micrometer
@@ -12237,8 +12236,7 @@ slots:
   size_frac_up:
     annotations:
       Preferred_unit: micrometer
-    description: Mesh or pore size of the device used to retain the sample. Materials
-      smaller than the size threshold are excluded from the sample
+    description: Mesh or pore size of the device used to retain the sample. Materials larger than the size threshold are excluded from the sample.
     title: size-fraction upper threshold
     examples:
       - value: 20 micrometer