diff --git a/README.md b/README.md
index f71a8b34..7b6ddf4c 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ Currently, Stockfish has the following UCI options:
 
   * #### Use NNUE
     Toggle between the NNUE and classical evaluation functions. If set to "true",
-    the network parameters must be availabe to load from file (see also EvalFile).
+    the network parameters must be available to load from file (see also EvalFile).
 
   * #### EvalFile
     The name of the file of the NNUE evaluation parameters. Depending on the GUI the
@@ -138,7 +138,7 @@ Currently, Stockfish has the following UCI options:
   * #### Debug Log File
     Write all communication to and from the engine into a text file.
 
-## classical and NNUE evaluation
+## Classical and NNUE evaluation
 
 Both approaches assign a value to a position that is used in alpha-beta (PVS) search
 to find the best move. The classical evaluation computes this value as a function
diff --git a/src/search.cpp b/src/search.cpp
index 201cd974..37e3ff22 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1072,7 +1072,7 @@ moves_loop: // When in check, search starts from here
       // then that move is singular and should be extended. To verify this we do
       // a reduced search on all the other moves but the ttMove and if the
       // result is lower than ttValue minus a margin, then we will extend the ttMove.
-      if (    depth >= 6
+      if (    depth >= 7
           &&  move == ttMove
           && !rootNode
           && !excludedMove // Avoid recursive singular search