fix: time references

See: OpenPathfinder/visionBoard#185 (comment)

Author: UlisesGascon

docs/checks/owaspTop10Training.mdx

@@ -20,7 +20,7 @@ At least one primary maintainer has taken the training on OWASP Top 10 or Equiva
 
 ## Dashboard Inclusion
 
-It is considered `passed` if there is a record for the organization in the `owasp_top10_training` dashboard table and the date falls within the valid range (one natural year). This table is maintained manually, [more information](https://github.com/secure-dashboards/openjs-foundation-dashboard/issues/63)
+It is considered `passed` if there is a record for the organization in the `owasp_top10_training` dashboard table and the date falls within the valid range (six months). This table is maintained manually, [more information](https://github.com/secure-dashboards/openjs-foundation-dashboard/issues/63)
 
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 ## Details

docs/checks/softwareDesignTraining.mdx

@@ -16,7 +16,7 @@ At least one primary maintainer has taken the training on Secure Software Design
 
 ## Dashboard Inclusion
 
-It is considered `passed` if there is a record for the organization in the `software_design_training` dashboard table and the date falls within the valid range (one natural year). This table is maintained manually, [more information](https://github.com/secure-dashboards/openjs-foundation-dashboard/issues/52)
+It is considered `passed` if there is a record for the organization in the `software_design_training` dashboard table and the date falls within the valid range (six months). This table is maintained manually, [more information](https://github.com/secure-dashboards/openjs-foundation-dashboard/issues/52)
 
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 ## Details