Fix a documentation typo in ShellException and HistoryAnalysis

Author: ibbem

src/main/java/org/variantsync/diffdetective/analysis/HistoryAnalysis.java

@@ -23,7 +23,7 @@
 import java.util.function.Consumer;
 
 /**
- * An analyses that is performed for the entire commit histories of each given git repositoy.
+ * An analyses that is performed for the entire commit histories of each given git repository.
  * @param repositoriesToAnalyze The repositories whose commit history should be analyzed.
  * @param outputDir The directory to which any produced results should be written.
  * @param commitsToProcessPerThread Number of commits that should be processed by each single thread if multithreading is used.

src/main/java/org/variantsync/diffdetective/shell/ShellException.java

@@ -21,7 +21,7 @@ public ShellException(Exception e) {
 
     /**
      * Constructs a {@code ShellException} on command failures indicated by an exit code.
-     * If possible both {@code stdout} and {@code stderr} should be provided in @{code output}.
+     * If possible both {@code stdout} and {@code stderr} should be provided in {@code output}.
      */
     public ShellException(List<String> output) {
         super(convert(output));