diff --git a/lang/en/analytics.php b/lang/en/analytics.php
index c32225abae5..17f165464df 100644
--- a/lang/en/analytics.php
+++ b/lang/en/analytics.php
@@ -32,7 +32,7 @@ $string['analyticslogstore_help'] = 'The log store that will be used by the anal
 $string['analyticssettings'] = 'Analytics settings';
 $string['analyticssiteinfo'] = 'Site information';
 $string['defaulttimesplittingmethods'] = 'Default analysis intervals for model\'s evaluation';
-$string['defaulttimesplittingmethods_help'] = 'The analysis interval defines when the system will calculate predictions and the portion of activity logs that will be considered for those predictions.The model evaluation process will iterate through these analysis intervals unless a specific analysis interval is specified.';
+$string['defaulttimesplittingmethods_help'] = 'The analysis interval defines when the system will calculate predictions and the portion of activity logs that will be considered for those predictions. The model evaluation process will iterate through these analysis intervals unless a specific analysis interval is specified.';
 $string['defaultpredictionsprocessor'] = 'Default predictions processor';
 $string['defaultpredictoroption'] = 'Default processor ({$a})';
 $string['disabledmodel'] = 'Disabled model';
diff --git a/lang/en/cache.php b/lang/en/cache.php
index 04d1c42c1fc..71bdaf25970 100644
--- a/lang/en/cache.php
+++ b/lang/en/cache.php
@@ -74,7 +74,7 @@ $string['cachedef_questiondata'] = 'Question definitions';
 $string['cachedef_repositories'] = 'Repositories instances data';
 $string['cachedef_roledefs'] = 'Role definitions';
 $string['cachedef_grade_categories'] = 'Grade category queries';
-$string['cachedef_grade_letters'] = 'Grade letters queries';
+$string['cachedef_grade_letters'] = 'Grade letter queries';
 $string['cachedef_string'] = 'Language string cache';
 $string['cachedef_tags'] = 'Tags collections and areas';
 $string['cachedef_temp_tables'] = 'Temporary tables cache';