diff --git a/docs/TinyExpr++ReferenceManual.pdf b/docs/TinyExpr++ReferenceManual.pdf
index e0f81f0..1d748b5 100644
Binary files a/docs/TinyExpr++ReferenceManual.pdf and b/docs/TinyExpr++ReferenceManual.pdf differ
diff --git a/tinyexpr.h b/tinyexpr.h
index 51f134e..d576124 100644
--- a/tinyexpr.h
+++ b/tinyexpr.h
@@ -460,7 +460,7 @@ class te_parser
             resolvedVariables.clear();
             }
         }
-    /// @brief Gets the compiled expression, which will the optimized version
+    /// @brief Gets the compiled expression, which will be the optimized version
     ///     of the original expression.
     /// @returns The compiled expression.
     [[nodiscard]]