diff --git a/src/vs/editor/common/model/linesTextBuffer/textSource.ts b/src/vs/editor/common/model/linesTextBuffer/textSource.ts
index d2ea438933874b83504500a950aad49feb78ea74..79c06f1c9f1d07072ab76ccc656863d3055ccef6 100644
--- a/src/vs/editor/common/model/linesTextBuffer/textSource.ts
+++ b/src/vs/editor/common/model/linesTextBuffer/textSource.ts
@@ -35,7 +35,7 @@ export interface IRawTextSource {
 
 export class TextSource {
 
-	/**f
+	/**
 	 * if text source is empty or with precisely one line, returns null. No end of line is detected.
 	 * if text source contains more lines ending with '\r\n', returns '\r\n'.
 	 * Otherwise returns '\n'. More lines end with '\n'.
diff --git a/src/vs/editor/common/viewModel/prefixSumComputer.ts b/src/vs/editor/common/viewModel/prefixSumComputer.ts
index 291ec21fa35ec0ad4c71aca9875f41c75d01b8eb..8730795093f8ec21bfd9dd1319ce7b9069c1e819 100644
--- a/src/vs/editor/common/viewModel/prefixSumComputer.ts
+++ b/src/vs/editor/common/viewModel/prefixSumComputer.ts
@@ -23,7 +23,7 @@ export class PrefixSumComputer {
 	/**
 	 * values[i] is the value at index i
 	 */
-	values: Uint32Array;
+	private values: Uint32Array;
 
 	/**
 	 * prefixSum[i] = SUM(heights[j]), 0 <= j <= i