Fix typos in "frequency"

Author: vender98

EXAMPLES.md

@@ -1,12 +1,12 @@
 ### Examples of tracking repository statistics:
 
-*Statistics of commits frequncy by repository*
+*Statistics of commits frequency by repository*
 ![](images/commits_frequency_by_repository.png)
 
-*Statistics of pull requests frequncy by repository*
+*Statistics of pull requests frequency by repository*
 ![](images/pull_requests_frequency_by_repository.png)
 
-*Statistics of issues frequncy by repository*
+*Statistics of issues frequency by repository*
 ![](images/issues_frequency_by_repository.png)
 
 *Statistics of contributors by repository presented in bar chart*
@@ -17,11 +17,11 @@
 
 ### Examples of tracking contributor statistics:
 
-*Statistics of commits frequncy by contributor*
+*Statistics of commits frequency by contributor*
 ![](images/commits_frequency_by_contributor.png)
 
-*Statistics of pull requests frequncy by contributor*
+*Statistics of pull requests frequency by contributor*
 ![](images/pull_requests_frequency_by_contributor.png)
 
-*Statistics of issues frequncy by contributor*
+*Statistics of issues frequency by contributor*
 ![](images/issues_frequency_by_contributor.png)

README.md

@@ -8,13 +8,13 @@ You can track some statistics by course (a set of repositories), by repository a
 
 ### Usage examples:
 
-*Statistics of commits frequncy by course*
+*Statistics of commits frequency by course*
 ![](images/commits_frequency_by_course.png)
 
-*Statistics of pull requests frequncy by course*
+*Statistics of pull requests frequency by course*
 ![](images/pull_requests_frequency_by_course.png)
 
-*Statistics of issues frequncy by course*
+*Statistics of issues frequency by course*
 ![](images/issues_frequency_by_course.png)
 
 *Statistics of contributors by course presented in bar chart*